Twyford, I.T. <br/><br/>
Fertilizer use at farm level in Pakistan:   survey report 
I.T.Twyford, M.I.Bajwa and M.Tahir Saleem 
 - Islamabad:  Planning and Development Division,  1993. 
 -  xxix,226p. 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fertilizer industry-Pakistan
<br/><br/><label>Dewey Class. No.: </label>631.805491  / TWF