Разширено търсене
Ключова дума да съдържа expenses
Б 2465
Каталог "Статии" | Списание
Economic efficiency of local, merino and meat-type sheep breeds raised in Bulgaria without milking
(2020)
K. Stankov
Б 2465
Каталог "Статии" | Списание
Influence of the age of first insemination and first calving in Holstein - Friesian heifers on farm economic efficiency
(2020)
K. Stankov
Каталог "Статии" | Списание
Economic efficiency of fertilization and its residual-effect during conversion period to organic field crop production
(2015)
V. Manolova; S. Kostadinova; I. Manolov