na INLIS000000000000954 20230523045308 0010-061600000000953 230523 0 ind 9795262351 001.4 Nas m1 Nasution, S. Metode Research (Penelitian Ilmiah) / S. Nasution Jakarta : Bumi Aksara, 2002. viii, 156 hlm, ; 21 cm. Penelitian 001.4 Nas m Ed. 1 122191 122185 122191 122188 122185 122191