na INLIS000000000041858 20130612151350 Ind 010-061300000041858 Ind 639.3 639, Abb b Abbas Siregaqr Djarijah Budidaya belut sawah, Abbas Siregar Djarijah 2006 Yogyakarta 64 hlm., ilus, 18 cm Belut Budidaya NBPNMAT