na INLIS000000000009266 20130515212039 ind 979-692-296-7 0010-051300000009266 ind 500 500 Tangkas Sains ( SD Kelas 1 ) c.3 / editor, Popi, Rismala Cetakan : 1 Bandung Remaja Rosda Karya 2004 viii, 112 hlm. ;24.5 cm. 112 Sins