Risalah Pertanian Bil.49: Selamatkan Tanah Dari Hakisan 

 - MOA  1969 
 - p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE.<br/>AGRI.<br/>SOIL.
<br/><br/><label>Subjects--Geographic Terms: </label><br/>MALAYSIA.