AU  - Dube,Mahendra Nath  .
TI  - Bhasha, Bhasha Vigyan Aur Rajbhasha Hindi / 
U1  - 891.43 
PY  - 2010///
CY  - N.Delhi
PB  - Bani Prakashan , 
KW  - Hindi
N1  - NULL
ER  -