TY  - BOOK
AU  - Estes,Thomas
AU  - Mintz,Susan L.
AU  - Gunter,Mary Alice
TI  - Instruction: a models approach 
SN  - 0132136815 :
PY  - 2011///
CY  - Boston
PB  - Pearson
KW  - Instructional system
KW  - Design
KW  - Programmed instruction
KW  - Educational technology
ER  -