Proceedings of the Eighth Rajamangala Institute of Technology Seminar ... Lampang Agricultural Research and Training Centre, Lampang Campus, 14-16 January,1991 

 - Chanthaburi:  Rajamangala Institute of Technology,  1991. 
 - 516 pages :  illustrations ;  27 cm. 
<br/><br/> Text is in Thai 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Research--Congresses.<br/>Agricultural systems--Congresses.