Pitt M M <br/><br/>
The Selectivity Of Fertility And The Determinants Human Capital Investments Parametric And Semiparametric Estimates By Mark M Pitt And Mark R Rosenzweig 

 -  Washington D.C. : World Bank 1990. 
 - 46 
 - Fao Fisheries Technical Paper No. 291 .
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>082131629X (Pbk)