Sufian Mohammad Abujafar. (2025). Methods and Technics of Social Research. The University Illaois Press.
Tohutoru Kātū Chicago (17th ed.)Sufian Mohammad Abujafar. Methods and Technics of Social Research. Greenroad Dhaka-1205: The University Illaois Press, 2025.
Tohutoro MLA (9th ed.)Sufian Mohammad Abujafar. Methods and Technics of Social Research. The University Illaois Press, 2025.
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