The sunflower crop in the People's Republic of Bulgaria.
By: [Ed. by K. Stoyanova, B. Popov].
Publisher: Center for Scientific, Techn. and Econ. Inform. in Agriculture and Forestry
Published: 1973
Place of publication: Sofia
Language: eng
Number of pages: 59
Subjects: Sunflowers -- Bulgaria.
Notes: Bibliography: p. [54]-58.