na INLIS000000000000390 20150311144737.0 Ind 010-061300000000390 Ind 300.72 300.72 Adi-l Adi, Rianto Langkah-langkah penelitian sosial / Rianto Adi, Heru Prasadja Jakarta Arcan 1993 vii 278 hlm. : ilus. ; 21 cm Ilmu Sosial Penelitian Prasadja, Heru NBPNMAT