TY  - BOOK
AU  - Sufian,Abu Jafar Mohammad, x
AU  - x
TI  - Methods and techniques of social research : x 
SN  - 9847022000216
U1  - 300.72/S946m  
PY  - 2009///
CY  - Dhaka 
PB  - Univ.  Press
KW  - Social sciences-research
KW  - Social sciences-methods
ER  -