1. Design and operation of irrigation systems for smallholder agriculture in South Asia
پدیدآورنده : Campbell, D. E.
کتابخانه: كتابخانه مركزي كشاورزى (طهران)
موضوع : $AIrrigation engineering$BAsia, Southeastern,$AIrrigation canals and flumes$BAsia, Southeastern -- Design and construction
رده :
TC
913
.
S6C35
1986