MUHAMMAD FIRDAUS, NIM. 13640011 (2018) ANATOMI KOMPARATIF ORGAN UROPOETIKA ULAR AIR LAUT (HYDROPHIS CYANOCINCTUS DAUDIN, 1803)DAN ULAR AIR TAWAR (HOMALOPSIS BUCCATA LINNAEUS, 1754). Skripsi thesis, UIN SUNAN KALIJAGA YOGYAKARTA.