1. Desertification: associated case studies prepared for the United Nations Conference on Desertification
پدیدآورنده : edited by Margaret R. Biswas, and Asit K. Biswas
کتابخانه: Central Library and Information Center of Ferdowsi University of Mashhad (Khorasan Razavi)
موضوع : Desertification - Congresses
رده :
GB
611
.
U47
1977
