00397     2200157   4500001002100000005001500021008004100036020002200077035002400099082001000123090001000133100002000143245003400163260002700197650001500224INLIS00000000000393420160627142458                                          a978-602-9413-70-0  0010-061600000003933  a001.4  aSir m  aSyofian Siregar  aMetode Penelitian Kuantitatif  aJakartabKencanac2013  aPenelitian