Das, B. C. (2012). Differential Calculus. U.N. Dhur.
Tohutoru Kātū Chicago (17th ed.)Das, B. C. Differential Calculus. Kolkata: U.N. Dhur, 2012.
Tohutoro MLA (9th ed.)Das, B. C. Differential Calculus. U.N. Dhur, 2012.
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