na INLIS000000000000419 20231202140014 231202||||||||| | ||| |||| || | 979-688-492-5 010-1223000419 id 531.14 531.14 STR n Petrajani, Fransisca Strathern, Paul Newton dan gravitasi Jakarta Erlangga 2002 ix, 90 hlm. : ilus. ; 19 cm. R19.36 - R19-0673 Gravitasi