na INLIS000000000008966 20150112153405.0 979-489-592-X 0010-011500000001739 636 Redaksi Trubus Budi Daya Walet cet 3 Jakarta Penerbar swadaya 2002 viii + 136 hlm ; 14.5 cm x 20.5 cm 14.5 cm x 20.5 cm 19299