TY  - BOOK
AU  - Akker,Jan van den
AU  - Gustafson,N.
AU  - Branch,R.M.
AU  - Plomp,T.
TI  - Design Approaches and tools in education and training
SN  - 9789401058452
AV  - EDL LB1028.38.D46 
PY  - 1999///
CY  - Dordrecht
PB  - Kluwer Academic Publishers
KW  - Instructional systems - design
KW  - Computer
KW  - Assisted instruction
N1  - Includes bibliographical references
ER  -