Green, Lawrence Winter. Demographic implications of the first six years of family planning in Karachi, 1958-64 / by Lawrence W. Green and Karol J. Krotki. - Karachi : Pakistan Institute of Development Economics, 1966. - 49 p ; Bibliography : p45-49. ISBN: SSCE7619 Subjects--Topical Terms: Family planning Dewey Class. No.: 363.9609549183 / De