Sufian, Abu Jafor Mohammad Methods and techniques of Social Research / Abu Jafor Mohammad Sufian. - 2nd ed. - Dhaka: The University, c2009. - xvii, 348 p.: ill.; 28 cm Includes index. Dept. of Sociology ISBN: 9847022000219 Subjects--Topical Terms: Social Research Dewey Class. No.: 302.072 / SUM