Разширено търсене
Автор да съдържа Petya Zhelyazkova
Б 1098
Каталог "Статии" | Списание
Estimation of environmental effects of test day milk yield in White Maritza sheep
(2023)
Petya Zhelyazkova; Doytcho Dimov
A 2280
Каталог "Статии" | Списание
Hypopharyngeal glands development of worker bees (Apis mellifera L.) during supplemental feeding with various types of sugar syrups
(2024)
Svilen Lazarov; Ivanka Zhelyazkova; Petya Veleva;
Maria Hashinova
и др.
A 2280
Каталог "Статии" | Списание
Physicochemical characteristics of Bulgarian bee honey: Part 1
(2022)
Svilen Lazarov; Petya Veleva; Ivanka Zhelyazkova