Bibliografi : hlm. 163-164
Bibliografi : hlm. 553-556
No Inv.: 2216-2220/P/Perp/92/5c~77601/S/01/1c
Judul asli : "Methods and Issues in Social Research"
No Inv.: 6455-6464/P/Perp/97/10c~2055-2064/P/Perp/98/10c
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No Inv.: 1034-1035/BD/Perp/86/2c~14413/P/Perp/94/1c
No Inv.: 433-437/S/Perp/95/5c~3768-3774/P/Perp/96/7c
No Inv.: 2739-2743/P/Perp/92/5c~1754-1758/P/Perp/95/5c~13378-13382/P/Perp/94/5c~6232/P/Perp/96/1c