Author: Nevena Stoeva, Malgorzata Berova, Zlatko Zlatev, Lyubka Koleva, Miroslava Kaymakanova
Scientific Works Academic Publishing House of the Agricultural University – Plovdiv
ISSN 1312-6318
Author: Nevena Stoeva, Malgorzata Berova, Zlatko Zlatev, Lyubka Koleva, Miroslava Kaymakanova