Search Results for Sapsford, Roger. SirsiDynix Enterprise https://libraryconnect.iie.ac.za/client/en_US/iie/iie/qu$003dSapsford$00252C$002bRoger.$0026ps$003d300?dt=list 2025-11-16T23:51:51Z Data collection and analysis ent://SD_ILS/0/SD_ILS:35912 2025-11-16T23:51:51Z 2025-11-16T23:51:51Z by&#160;Sapsford, Roger.<br/>Format:&#160;Books<br/>Publication Date&#160;2006<br/> Principles of social and educational research. ent://SD_ILS/0/SD_ILS:14435 2025-11-16T23:51:51Z 2025-11-16T23:51:51Z Format:&#160;Books<br/>Publication Date&#160;1993<br/>