na INLIS000000000014485 20130516012942 ind 0-7460-2014-7 0010-051300000014485 ind 611,81 611,81 Rebecca, Treays Mempelajari Otak c.2/ penerjemah, Wasi, Dewanto Cetakan : 1 bandung Usborn Publishing,Ltd 2004 32 hlm. : ilus. ;28 cm. Otak