Mahud, Simeen A validation of retrospective survey data used in the indirect estimation of fertility and mortality / Simeen Mahud - Dhaka : Bangladesh Institute of Development Studies (BIDS) , 1987 - 57p. : ill. ; 30 cm. - BIDS Research Report . Subjects--Topical Terms: PopulationMortality FertilityDemography Gov. Doc. Class. No.: BAN BIDS RR-64