na INLIS000000000036330 20130612142126 Ind 010-061300000036330 Ind 372.3 372.3, Sap s Saptorini, Kushartati Seri sains dasar cahaya, Koeshatati Saptarini 2009 Jakarta 32 hlm, ilus, 18 cm Pendidikan dasar cahaya NBPNMAT 86968696 21100822