Natural family planning :  A guide to provision of services / 

 - New Delhi :  CBS Publishers and distributors ;  1988. 
 - vi. , 82 p.:  ill.;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural family planning -- Calendar method.
<br/><br/><label>Dewey Class. No.: </label>363.96  / WON 1988