TY  - BOOK
AU  - Gall, Meredith D.,
AU  - 
ED  - 
ED  - 
ED  - 
ED  - 
SN  - 0-205-07301-8 (paperback)
SN  - 2
PY  - 1981///.46
CY  - Boston
PB  - Allyn and Bacon
KW  - 
KW  - 2
KW  - 0
KW  - 6
KW  - 20
KW  - Aids and devices;Evaluation
KW  - Curriculum planning.;Teaching
N1  - Includes bibliographies and index; 5
ER  -