University of Aden journal of natural & applied sciences
Agricultural research
Towards policies for conservation and sustainable use of aquatic genetic resources
1999
Pullin, Roger S. V. |
Bartley, Devin M. |
Kooiman, Jan |
Financing agricultural research : a sourcebook
1998
Tabor, Steven R. |
Janssen, Willem |
Bruneau, Hilarion |
Mutliple cropping in the humid tropics of Asia
1983
Gomez, A. A. |
Gomez, K. A. |
An agricultural testament
1943
Howard, Albert |