Author: Neli Keranova, Marina Drumeva-Yoncheva, Yonko Yonchev
Virginia tobacco
20. Study of the ecological valence of Virginia tobacco hybrids through mathematical approaches
Author: Neli Keranova, Marina Drumeva-Yoncheva, Yonko Yonchev
Scientific Works Academic Publishing House of the Agricultural University – Plovdiv
ISSN 1312-6318