Singh, A. J. <br/><br/>
An evaluation survey :  soil conservation and engineering component / 
A.J. Singh, Balbir Kumar, Nirmal Singh. 
 - Ludhiana :  Dept. of Economics & Sociology, Punjab Agriculture University,  1984. 
 - 54 p. ; 
<br/><br/> "At the head of the title : Kandi watershed and area development project". 
<br/><br/><label>ISBN: </label>SSCF11 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Soil conservation.
<br/><br/><label>Dewey Class. No.: </label>333.7316  / Ev