TY  - BOOK
AU  - Hosford, Philip L.
TI  - An instructional theory-A beginning
SN  - 0134680588
U1  - 371.3 
PY  - 1973///
CY  - London
PB  - ; Prentice-Hall
KW  - Education
KW  - Instructions
KW  - Mathod Of Instruction
ER  -