1. Design and operation of irrigation systems for smallholder agriculture in South Asia

المؤلف:

المکتبة: كتابخانه مركزي كشاورزى (طهران)

موضوع: $AIrrigation engineering$BAsia, Southeastern,$AIrrigation canals and flumes$BAsia, Southeastern -- Design and construction

رده :
TC
913
.
S6C35
1986