Principles of seed science and technology - Copeland, Lawrence C. 1936- (Manila National Book Store, 1976)
A reprint of the same ed. published by Burgess, Minneapolis, Minn.
"Reprinted under authority of Presidential Decree No. 285 as amended by P.D. Nos. 400 & 1203"--T.p. verso.
Keywords: Seeds; Seed industry and trade