na INLIS000000000010161 20170724080856.0 9796661039 010-071700000000116 [22] 500 CHA j 500 CHA j Challoner,Jack Gaya dan Gerak Cet.1 Jakarta : Balai Pustaka 1997 64 hlm ilus. ; 27.5 cm Fisika : Gaya dan Gerak 06461(020651)/PU-KDR/PB/2000