Willyan Djaja <br/><br/>
Penghasilan baja kompos / 
Willyan Djaja ; adaptasi, Nuni Dalina ; editor, Ramlah Ahmad Zainal 
 - Kuala Lumpur :  Synergy Media,  [n.d.] 
 - 80 p. :  ill. ;  25 cm. 
 - Siri usaha agroniaga .
 - Siri usaha agroniaga .
<br/><br/><label>ISBN: </label>9789673223428 :  RM15.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Compost<br/>Organic fertilizers