na INLIS000000000000107 20170224085725 0010-0217000107 Metode Research (Penelitian Ilmiah) / Prof. Dr. S. Nasution, MA Nasution, S. Ed. 1 cet. 9 156 ; 21 Jakarta : Bumi Aksara, 2007 001.4 001.4 NAS m 979-526-235-1 Metode Penelitian 0011/PERPUSHST/2007 0011/PERPUSHST/2007 0953/PERPUSHST/2007