na INLIS000000000016801 20130516032337 ind 979-593-017-6 0010-051300000016801 ind 597.13 597.13 Denny, Robson Mengamati Planet / editor, Fathuddin,; penerjemah, Constain, Dupe Cetakan : 3 Jakarta Taman Graha 1996 32 hlm. : ilus. ;21 cm. Ular