cam a22 a 4500 47495 47495 BD-DhIDS 20180612173615.0 711019t1971 mdu b 000 0 eng 0801813174 BD-DhIDS BD-DhIDS BD-DhIDS Eng 312.02 ZAI Zaidan, George C. The costs and benefits of family planning programs / George C. Zaidan Baltimore : Distributed by the Johns Hopkins Press , 1971 x, 52p. ; 23 cm. World Bank staff occasional papers, no. 12 Bibliography: p. 50-52 Family planning Cost effectiveness ddc BK 0 0 ddc 0 0 NFIC BIDSLDC BIDSLDC RS 2014-02-06 312.02 ZAI 117419 2018-06-12 C-01 2018-06-12 BK 0 0 ddc 0 0 NFIC BIDSLDC BIDSLDC GEN 1972-03-11 312.02 ZAI 028579 2026-08-23 C-02 2026-08-23 BK