Pathways to progress in the Semi-Arid Tropics / editors: S.D. Hall, E.M. McGaw, and J.B. Wills. - Patancheru, India : ICRISAT, c1991. - [ii], 81 p. : ill. Abstracts in English, French, and Spanish. ISBN: 9290662026 LCCN: 92013161 Subjects--Topical Terms: Agricultural assistance, Indian.Agriculture--Research--Arid Regions.Agriculture--International cooperation.Agricultural development projects--Arid Regions.