TY - BOOK AU - Sufian,Abu Jafar Mohammad TI - Methods and techniques of social research SN - 9840514229 : U1 - 001.42 19 PY - 1998/// CY - Dhaka PB - The University Press Limited KW - Research methods KW - Spines KW - Methods KW - Social Science N1 - cse N2 - Social Science ER -