na INLIS000000000000947 20210427141452 210427||||||||| | ||| |||| || | 979-006-144-6 010-0421000947 id 639.291 3 639.291 3 RED b REDAKSI AGROMEDIA M. Topan Nixon Budi Daya Belut di Pekarangan Rumah cet.9 Jakarta Agromedia Pustaka 2008 vi,74hlm.;ilus.:23cm