Yousuf, A. (2000). Mathematical Methods: (Part-I). Ananna.
Tohutoru Kātū Chicago (17th ed.)Yousuf, Abu. Mathematical Methods: (Part-I). Dhaka: Ananna, 2000.
Tohutoro MLA (9th ed.)Yousuf, Abu. Mathematical Methods: (Part-I). Ananna, 2000.
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