No Inv.: 135925 /SM/Perp/13/1c
No Inv.: 115510/SM/Perp/08/1c
Judul asli : "Sampling Techniques"
No Inv.: 114716-114756/S/Perp/08/2c~122396-122400/P/Perp/10/5c~128487/SM/Perp/10/1c~129388/SM/Perp/11/1c
Bibliografi : hlm. 73
Bibliografi : hlm. 451-456
Bibliografi : hlm. 359-378 No Inv.: 133588/SM/Perp/12/1c~140612/SM/Perp/14/1c; Bibliografi : hlm. 359-378; Judul Asli : Research design : qualitative, quantitative and mixed methods approaches
Bibliografi : hlm. 1310-1342
Bibliografi : hlm. 177-181
Termasuk bibliografi