Integrirana sistema za borba s bolestite i neprii͡a︡telite po ovoshtnite rastenii͡a︡
By: Spas Ivanov, Georgi Vŭlkov, Marii͡a︡ Dimova.
Publisher: Nat͡s︡ionalen agrarno-promishlen sŭi͡u︡z
Published: 1982
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 84