na INLIS000000000001521 20200811020031 0010-0820001521 ta 200811 g 0 eng 0870943456 301 301 HOR p Horton, Paul Personal Learning Aid For Interoductory Sociology America : publisher, 1983 vii, 148 hlm ; 25,5 cm Sosiologi Dinas Perpustakaan dan Kearsipan Kota Medan 08711/PUM/1991