na YOGYA-02090000034268 20090227024856.0 ind 979-489-301-3 010-020900000034268 631.84 631.84 Pit P T PITOYO, Setiyo Penggunaan urea tablet Setiyo Pitoyo Cet. 2 Jakarta Penebar Swadaya 1997 81 hlm ilus 21 cm Bibliografi : hlm. 77-80 Pupuk Urea YOPDYOG(B) 19-10-06 3 98P0115622 97P0099024 98P0115624