TY  - BOOK
AU  - National Council Of Educational Research And Training Text Books (Deptt of-)
ED  - National Council Of Educational Research And Training Text Books (Deptt of-)
TI  - Preparation and evaluation of textbooks in mother tongue :  principles and procedures
U1  - T15(M1):3,31.2, L0 
PY  - 1970///
KW  - EDUCATION
N1  - Bib 107p
ER  -