Khalifa, M <br/><br/>
Fitting a theoretical model to the waiting time to first conception, with an application to Sudan.  [electronic resource] 

 -  The Egyptian population and family planning review  Dec 1989 
 - 26-57 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1110-1156 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Africa<br/>Africa, Northern<br/>Birth Intervals<br/>Birth Rate<br/>Demography<br/>Developing Countries<br/>Fertility<br/>Fertilization<br/>Marriage<br/>Middle East<br/>Models, Theoretical<br/>Population<br/>Population Dynamics<br/>Population Growth<br/>Reproduction<br/>Research<br/>Statistics as Topic<br/>Sudan