Vaidya B.M, Kelkar, . (1986). A.T.B.Of Mathematics 12th P 1. Pune: Narendra Prakashan.
Vaidya B.M, Kelkar, . 1986. A.T.B.Of Mathematics 12th P 1. Pune: Narendra Prakashan.
Vaidya B.M, Kelkar, . A.T.B.Of Mathematics 12th P 1. Pune: Narendra Prakashan. 1986.
