na YOGYA-02090000034576 20090227024913.0 ind 979-497-915-5 010-020900000034576 633.492 633.492 Ruk B T RUKMANA, H. Rahmat Ubi jalar budidaya dan pasca panen H. Rahmat Rukmana Cet.1 Yogyakarta Kanisius 1997 66 hlm ilus 21 cm Biblbiografi : hlm. 61-62 Ubi jalar YOPDYOG(B) 14-10-06 4 00P0006740 00P0006741 00P0006742 00P0006743