00560nam a2200169Ia 4500 0000016769 20251012174548.0 061013s1977 fr a b 000 0 eng c 9264116133 Mea Measuring the impact of family planning a short guide Development Centre of the Organisation of Economic Co-operation and Development Paris The Centre c1977 p ill. 24cm. Includes bibliographical references Birth control. Development Centre studies 6221 6221