Crop productivity.

Bibliografski detalji
Autori kompanije:	BIOTOL (Project), Open Universiteit (Heerlen, Netherlands), University of Greenwich
Format:	Knjiga
Jezik:	English
Izdano:	Oxford, Boston Butterworth-Heinemann 1994.
Serija:	Biotechnology by Open Learning (Series)
Teme:	Agricultural productivity > Programmed instruction. Crop yields > Programmed instruction.