Hayes, John P. <br/><br/>
Proceedings  28th Annual convention of Indian society for technology education and national seminar of environment and development held on November 21-23,     1998; Organized by Punjab Agricultural University 
PAU. 
 - Ludhiana  PAU  1998 
 - 167p., 28cm. 
<br/><br/><label>Dewey Class. No.: </label>375.0083  / T93T