TY  - BOOK
AU  - Zillesen,P.G. V.
TI  - Methods and techniques for the design of educational computer simulation programs and their validation by means of empirical research
SN  - 9090038744
AV  - DUCE LB1029.Z53 
PY  - 1990///
CY  - Meppel
PB  - Krips Repro
KW  - Education
KW  - Educational computer
N1  - includes Appendix and bibliographical reference
ER  -