J. V. Zyl

Development of ODL in a Newly Industrialized Country according to Face-to-Face Contact, ICT, and E-Readiness

A. S. Blignaut, C. Els, J. V. Zyl, 2013 .

Development and Initial Standardization of the Adolescent Psychological Well-Being Index Questionnaire – Ad-PWIQ

J. V. Zyl, 2012 .