00501nam a2200133Ia 4500008004100000040001700041082002400058110006700082245006100149260002200210300000900232440003100241650009500272190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta301.426bO68M  aOrganisation for Economic Co-operation and Development (Paris) 0aMeasuring the impact of a family planningba short guide  aParisbOECDc1977  a73p.  aDevelopment Centre studies  aBirth control; Population viability analysis; Evaluation research (Social action programs)