Author: R. Ilieva, E. Filcheva, I. Iliev, M. Todorova, R. Popova, V. Valcheva, M. Almaliev, K. Trendafilov
Scientific Works Academic Publishing House of the Agricultural University – Plovdiv
ISSN 1312-6318
Author: R. Ilieva, E. Filcheva, I. Iliev, M. Todorova, R. Popova, V. Valcheva, M. Almaliev, K. Trendafilov