RAM BALLABH and RAGHUNATH SARAN. (1972). A text book of differential calculus. Prakashan Kendra.
Tohutoru Kātū Chicago (17th ed.)RAM BALLABH and RAGHUNATH SARAN. A Text Book of Differential Calculus. Lucknow: Prakashan Kendra, 1972.
Tohutoro MLA (9th ed.)RAM BALLABH and RAGHUNATH SARAN. A Text Book of Differential Calculus. Prakashan Kendra, 1972.
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