KULLAJ, E., BACU, A., THOMAJ, F. and F. FIKU (2015) Albanian grapevine cultivars: preliminary results of molecular, phenolic and ampelometric profiles and relatedness. Vitis -Geilweilerhof 54 (Special Issue), [IF = 0.8]
THOMA, D. and E. KULLAJ (2014) Selection of flood-tolerant Prunus rootstocks using sap flow. Agriculture and Forestry, Vol. 60 (4), 111-117. UDC 634.22:556.166(496.5)
THOMA, D. and E. KULLAJ (2015) Stomatal response kinetics in various apple cultivars under a high radiation environment. 25th International Scientific-Experts Congress on Agriculture and Food Industr, Izmir, Turkey 25 – 27/04/2014
THOMA, D. and E. KULLAJ (2015) E. A transpiration model to screen local fruit tree genotypes for drought tolerance. 5th International Scientific Agricultural Symposium Jahorina, Bosnia & Hercegovina 23 – 26/10/2014 pg. 42
THOMA, D. and E. KULLAJ (2015) Characterization of stomatal sensitivity to water deficits of several apple genotypes. 25th International Scientific-Experts Congress on Agriculture and Food Industry Izmir, Turkey 25 – 27/04/2014,pg.160
KULLAJ, E. and A. CAKALLI (2013). Metabolic characterisation of main Albanian grape cultivars. The Journal of Ege University Faculty of Agriculture, Special Issue, Vol.2, ISSN 1018-8851
KULLAJ, E. and A. ÇAKALLI (2013) Computer-based ampelographic characterisation of main Albanian grapevine cultivars. The Journal of Ege University Faculty of Agriculture, Special Issue, Vol.2, ISSN 1018-8851
KULLAJ, E., SIMON, S., ÇAKALLI, A. and I. PEJIC (2011) Molecular characterization of wild grapevine (Vitis vinifera ssp. sylvestris) populations of Northern Albania. Acta Horticulturae 948
KULLAJ, E., ÇAKALLI, A. and S. SHAHINI (2011). Inventory of fruit crop wild relatives of Albania. Acta Horticulturae, 948
SUSAJ, L., KULLAJ, E., DRAGUSHA, B., MUSTAFA, S., dhe B. FERRAJ (2010). Hardhia e egër e pyllit (Vitis vinifera L. ssp. sylvestris), një element i rëndësishëm për ekuilibrat e diversitetit dhe të ekosistemeve në Luginën e Shkrelit. Konferenca për Liqenin e Shkodrës. Qershor, Shkodër
SUSAJ, L. dhe E. KULLAJ (2010). Hardhia e egër në Shqiperi. Monografi, Tirana, U.B.T.
SUSAJ, L., NOVAKU, R., FERRAJ, B., KULLAJ, E. dhe B. GJINI (2010). Niveli i shfaqjes se karaktereve kryesore tek popullatat e hardhise se eger (Vitis vinifera L., ssp. sylvestris) ne luginen e Shkrelit, Malesi e Madhe. Albanian Journal of Agricultural Science 9(13): 8.
SUSAJ, L. dhe E. KULLAJ (2010). Wild grapevine in Albania. Monograph, Tirana, A.U.T. (in Albanian)
KULLAJ, E., SHAHINI, Sh., PALMISANO, F. and A. ÇAKALLI (2009) Preliminary assessment of the resistance/tolerance to PPV in some Albanian stonefruit varieties. Yearbook of Plant Protection Society of the Republic of Macedonia, Vol. XIX
KULLAJ, E., SHAHINI, Sh. and M. ÇAKALLI (2009) Resistance levels to insect pests in several Albanian Prunus varieties. Yearbook of Plant Protection Society of the Republic of Macedonia, Vol. XIX
KULLAJ, E. (2008) Fruit genetic resources of Albania. Chronica Horticulturae 48(3), p.20-23
Addante, R., Bazzoni, A., Calderaro, M., Camposeo, S., Çakalli, D., Cardone, A., De Bellis L., Digiaro M., Ferrara, G., Gallotta, A., Giorgio, V., Godini, A., Guri, S., Kullaj, E., La Gravinese, G., Noviello, N., Nuzzaci, G., Palasciano, M., Savino, V. and F. Thomai (2008). Schede descrittive di cultivar di olivo e drupacee. Progetto integrato per la valorizzazione delle produzioni tipiche locali (PRINT). INTERREG III-A Italia-Albania.
LATEUR, M., GELVONAUSKIS, B., OGER, R., ANTOFIE, A., ELLEN, E., KELLERHALS, M., DAPENA, E., MADER, S., HANKE, V., HJALMARSSON, I., IKASE, L., BLAZEK, J., KULLAJ, E., LAURENS, F. and MAGGIONI, L. (2007). ECPGR Working Group on Malus & Pyrus genetic resource: a unique opportunity for European collaborations. 12th EUCARPIA Symposium on Fruit Breeding and Genetics. Zaragoza (Spain), 23-27 Sept. 2007
ÇAKALLI, A., ÇIÇI, I., KULLAJ, E. and MYRTA, A. (2007). Status of Prunus germplasm in Albania. ECPGR Report of a Working Group on Prunus – 6th and 7th meeting
KULLAJ, E. (2006). Status of Malus germplasm in Albania. ECPGR Report of a Working Group on Malus/Pyrus – 3rd meeting
ÇAKALLI, A., KULLAJ, E., SUSAJ, L., ÇINA, K., SHAHINI, S. (2006). Evaluation for the presence of viroids infection on the main Albanian varieties of plum and cherry. Yearbook of Plant Protection Society of the Republic of Macedonia, Vol. XVII
ÇAKALLI, A., MYRTA, A., KULLAJ, E., SHAHINI, S., ÇIÇI, I., RUCI, T. and B. HUQI. (2006). Applying of dsRNA isolation test for identification of viruses on the main native Albanian olive varieties. Yearbook of Plant Protection Society of the Republic of Macedonia, Vol. XVII
ÇAKALLI, A., MYRTA, A., KULLAJ, E., SHAHINI, S., HUQI, B., BODE, D. and F. THEOHARI. (2006). Identification of viruses by a mechanical transmission test on native Albanian plum and cherry varieties. Yearbook of Plant Protection Society of the Republic of Macedonia, Vol. XVII
ÇAKALLI, A., KULLAJ, E., SHAHINI, S. and A. MYRTA (2005). Identification of virus free clones of main authocthone varieties of olive and stone fruits in Albania. 1st Congress of Plant Protection “Environmental Concern and Food Safety” and XXXth Meeting for Plant Protection in the Republic of Macedonia
ÇAKALLI, A., KULLAJ, E., SHAHINI S. dhe S. VARAKU (2005). Application of the biological test on indicator plants for the identification of viruses on autochthon varieties of plum (Prunus domestica) and cherry (P. avium) in Albania. 1st Congress of Plant Protection “Environmental Concern and Food Safety” and XXXth Meeting for Plant Protection in the Republic of Macedonia
ÇAKALLI, A., ÇIÇI, I., KULLAJ, E. and A. MYRTA. (2003). Status of Prunus Germplasm in Albania. Establishment of Inter-Balkan Network on the Treatment of Genetic Resources. FYROM
ÇAKALLI, A., FIKU, H., KULLAJ, E. and F. ÇARKA. (2003). Status of Albanian Viticultural Germplasm. First Meeting of ECPGR Working Group on Vitis, Palic, Montenegro.
ÇAKALLI, D. and E. KULLAJ (2002). Assessment of Tirana’s olive germloplasm. Biological Studies, Special No. 5-6, 2001, National Conference on Biological Sciences.