Problemi na ikonomicheskata efektivnost na selskostopanskoto proizvodstvo v perspektiva
Subtitle: [v NRB : izsledvane]
By: P. Trifonov ... [et al.].
Contributors: Trifonov, Petko
Publisher: Zemizdat
Published: 1973
Place of publication: Sofii︠a︡
Language: bul
Number of pages: 183
Subjects: Agriculture -- Economic aspects -- Bulgaria
Notes: Bibliography: p. 181-[182]