Sufian, A. J. M. (1998). Methods and techniques of social research. University Press.
Chicagoスタイル(17版)引用形式Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. Dhaka: University Press, 1998.
MLA(8版)引用形式Sufian, Abu Jafar Mohammad. Methods and Techniques of Social Research. University Press, 1998.
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