Author: Donyo Ganchev, Daniela Atanasova, Petja Marinova, Neyko Stoyanov, Rumyana Prodanova, Marin Marinov
Scientific Works Academic Publishing House of the Agricultural University – Plovdiv
ISSN 1312-6318
Author: Donyo Ganchev, Daniela Atanasova, Petja Marinova, Neyko Stoyanov, Rumyana Prodanova, Marin Marinov