Agricultural Science.
Faculty of Agricultural Sciences and Food,
Ss. Cyril and Methodius University,
Blvd. Aleksandar Makedonski bb,
P.O. Box 297, 1000 Skopje,
Republic of Macedonia.
Chemistry.
Institute of Chemistry,
Ss. Cyril and Methodius University,
Arhimedova 5, PO Box 162, 1001 Skopje, Republic of Macedonia.