TY  - BOOK
AU  - Tickton,Sidney G.Ed.;
TI  - To Improve Learning: An Evaluation Of Instructional Technology Volume I
SN  - 0835204626
U1  - 371.3028 
PY  - 1970///
CY  - New York
PB  - R.R.Bowker Company
KW  - Schools and their activities; special education
ER  -