na INLIS000000000001928 20150324151645.0 602-8921-26-8 SBPUHAT ind. [22] 631 631 PUR i Purwantoro Intensifikasi padi sawah melaui pengelolaan tanaman terpadu (PTT) / Purwantoro ; Editor, Winarti Singkawang : Maraga Borneo Tarigas, Sc 2011 iv, 68 hlm. : illus. ; 25 cm. Hlm. 68 Teknik Pertanian Winarti SBPUHAT