na INLIS000000000013344 20211201022617 0010-0821000423 211201 g 0 ind Beruang Kutub Orme, Helen Jakarta : Elex Media Komputindo, 2006 32 hlm. ; 22 cm. 978-979-27-0926-1 A.591.52 ORM b A.591.52 Beruang 15815 050508