TY  - BOOK
AU  - Minnick, Dan R.
TI  - A guide to creating self-learning materials: Dan R. Minnick
U1  - 371.3 20
PY  - 1989///
CY  - Manila
PB  - International Rice Research Institute
KW  - Teaching -- Aids and devices.
KW  - Instructional systems
ER  -