=LDR 00000nam 2200000 4500 =001 INLIS000000000003418 =008 ###################################ind## =035 ##$$a 0010-0125003418 =245 ##$$a ILMU PENGETAHUAN POPULER JILID 6 =100 ##$$a - =250 ##$$a 6 =260 ##$$b PT. WIDYADARA =020 ##$$a R500500RACI6 =082 ##$$a R