ISBN 0792318773 books & textbook
Food from Dry Lands: An Integrated Approach to Planning of Agricultural Development (System Approaches for Sustainable Agricultural Development)
Alberda, Th. van Keulen, H. Seligman, N.G. de Wit, C.T.
Springer /1992-10-31 Hardcover / 232 Pages
isbn-10: 0792318773 / isbn-13: 9780792318774
