na INLIS000000000000409 20150312084928.0 Ind 010-061300000000409 Ind 300.72 300.72 Bla p Blalock, Hubert M Pengantar penelitian sosial / Hubert M. Blalock Jakarta Rajawali Pers 1987 viii, 154 hlm. : ilus. ; 21 cm Ilmu Sosial Penelitian NBPNMAT