na INLIS000000000003374 20150116123646.0 a ||| | 170609| ||| | $a 979-940945-4 $a 0010-011500000001377 $a 500 $a Supriyadi $a eksperimen sains dasar $a 6 $a surabaya $b Insan cendekia $c 2007 $a 7599/b/kpad/2012