TY  - BOOK
AU  - Van Zyl,P.J.
AU  - Van Wyk,C.F.M.
AU  - Freysen,J.B.
AU  - Ebershn̲,J.F.P.
ED  - Educational Technology Symposium
TI  - Instructa 80: Instructa 80
U1  - 371.3078 
PY  - 1982///
CY  - Durban
PB  - Butterworth
KW  - Educational technology
KW  - Congresses
KW  - Education
KW  - Audio-visual aids
KW  - Curricula
KW  - Christian education
ER  -