Goyal, R.N <br/><br/>
Vyavsayik Kanoon Ke Mul Tatva 
/ R.N Goyal 
 - Delh:  PUb. House;  1970. 
 - 567p.  col. ill.;  26cm 
<br/><br/>Includes index. 
<br/><br/><br/>Hindi