Goyal, J. K., & Gupta, K. P. (2003). Differential Calculus. Pragati Prakashan.
Tohutoru Kātū Chicago (17th ed.)Goyal, J. K., me K. P. Gupta. Differential Calculus. Meerut: Pragati Prakashan, 2003.
Tohutoro MLA (9th ed.)Goyal, J. K., me K. P. Gupta. Differential Calculus. Pragati Prakashan, 2003.
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