The book of CHAC : programming studies for Mexican agriculture / edited by Roger D. Norton and Leopolo Solis M. - Baltimore : The Johns Hopkins, 1983. - xx, 602 p. ; 24 cm. - World Bank publication . Open. ISBN: 0801825857 LCCN: 8029366 Subjects--Topical Terms: Agriculture--Economic aspects--Mexico--Addresses, essays, lectures.