Campbell, D. E. Design and operation of irrigation systems for smallholder agriculture in South Asia - Rome : Food and Agriculture Organization of the United Nations, 1986. - x, 137 p. : ill. - FAO Investment Centre technical paper; no 3/1 and 3/2 . LCCN: 44041199 Subjects--Topical Terms: Irrigation--South Asia.Irrigation,Engineering--South Asia.