Zaidan, George C. The costs and benefits of family planning programs [by] George C. Zaidan. - Baltimore Distributed by the Johns Hopkins Press [1971] - x, 52 p. 23 cm. - World Bank staff occasional papers no. 12 . Bibliography: p. 50-52. ISBN: 0801813174 LCCN: 70155166 Subjects--Topical Terms: Birth control--Cost effectiveness. LC Class. No.: HQ766 / .Z3 Dewey Class. No.: 338.4/3