TY  - BOOK
AU  - Harris,N.D.C.(Norman Duncan Campany)
TI  - Preparing educational materials
SN  - 0856649325
PY  - 1979///
CY  - London
PB  - Croom Helm
KW  - Curriculum planning
KW  - Lesson planning
KW  - Interaction analysis in education
N1  - Bibliography: p.125-136
ER  -