00649nam a2200217 a 4500 15862 BD-DhGUBL 20250107102608.0 171213m20091998bg a b 001 0 eng d 9847022000219 BD-DhGUBL BD-DhGUBL BD-DhGUBL 23 001.42 Su29m Sufian, Abu Jafar Mohammad Methods and Techniques of Social Research / Abu Jafar Mohammad Sufian. 2nd rev. ed. Dhaka : University Press, 2009. 350 p. : ill. ; 25 cm. Social sciences Research Social sciences Methodology ddc BK 2641 2641 0 0 ddc 0 1 CSE GUBL GUBL REF 2016-08-09 0 001.42 Su29m 3010015862 2016-08-09 00:00:00 1 2016-08-09 BK