TY  - BOOK
AU  - Goel B S
AU  -  Sharma J D
TI  - Study of the evolution of the text book : The evolution of the text book and its role in formal education in the context of a changing society from the ancient to the modern period with special exphasis on the modern period
PY  - 1987///
CY  - New Delhi, India 
PB  - National Council of Educational  Research and Training
ER  -