共 22 条
[1]
Adekunmisi S.R., 2013, GLOBAL ADV RES J, V2, P240
[2]
Aderibigbe O., 2017, International Journal of Academic Library and Information Science, V5, P92
[3]
[Anonymous], 2017, J LEARNING DEV
[4]
[Anonymous], 2008, STAND DIST LEARN LIB
[5]
Arhin V., 2017, Journal of Educational and Social Research, V7, P25, DOI DOI 10.1515/JESR-2017-0002
[6]
Astin A. W., 1993, WHAT MATTERS COLL 4
[7]
Banleman K., 2017, INFORM KNOWLEDGE MAN, V7, P13
[8]
Brahme M., 2018, Journal of Library Information Services in Distance Learning., V12, P130, DOI [10.1080/1533290X.2018.1498626, DOI 10.1080/1533290X.2018.1498626]
[9]
Cochran W., 1977, Sampling techniques