TY  - BOOK
AU  - Pula,Fred John
AU  - Goff,Robert J.
TI  - Technology in education: challenge and change
SN  - 0839600070
PY  - 1972///
CY  - Worthington (Ohio)
PB  - Charles A. Jones Publishing Co
KW  - Educational technology
N1  - Photocopy; Includes index
ER  -