Khanna M. L., . (1968). Integral calculus. [S.l.]: Jai Prakash Nath & Co.
Khanna M L, . 1968. Integral calculus. [S.l.]: Jai Prakash Nath & Co.
Khanna M L, . Integral calculus. [S.l.]: Jai Prakash Nath & Co. 1968.