Judul asli : "An Introduction to Sosial Research"
No Inv.: 191-200/P/Perp/97/10c
No Inv.: 6584-6589/P/Perp/92/5c~85646-85650/P/Perp/03/5c
No Inv.: 2237-2246/P/Perp/97/10c
No Inv.: 309/S/Perp/90/1c~1334/S/Perp/87/1c~166/S/Perp/86/1c~2601/S/Perp/87/1c
Judul asli : "How to Organize and Manage a Seminar"
No Inv.: 1424-1433/P/Perp/96/10c
Bibliografi: hlm. 115-118No Inv.: 3344-3353/P/Perp/97/10c~75407-75408
No Inv.: 3966-3971,3973-3975/P/Perp/97/9c
No Inv.: 08/P/Perp/90/1c~3466-3470/P/Perp/92/5c~5323-5327/P/Perp/92/5c~77329-77337/S/01/9c