na INLIS000000000003928 20150706151639 170126||||||||| | ||| |||| || || 9786029134247 0010-071500000003928 530 530 BAY m BAYU SAPTA HARI Mari Bermain Pencerminan Jakarta Hijau Daun 2011 60 hlm. ilus. 25 cm. Bibliografi : hlm.59 Fisika