TY  - BOOK
AU  - Chauhan,S.S.
TI  - A Textbook of Programmed instruction
U1  - 371.3944 
PY  - 1978///
CY  - New Delhi
PB  - Sterling Publishers
KW  - Programmed instruction
KW  - Distance education
N1  - Includes bibliography: p.184-186
ER  -