Khanna M.L, . (1972). Diffrential calculus .-10th. : Jai prakash nath & Co., Meerut.
Khanna M.L, . 1972. Diffrential calculus .-10th. : Jai prakash nath & Co., Meerut.
Khanna M.L, . Diffrential calculus .-10th. : Jai prakash nath & Co., Meerut. 1972.