Ratho, T.N. . Emerging trends in teaching of physics / by T.N. Ratho and Ravi Prakash. - 2nd ed 2007 / - New Delhi : Kanishka Publishers, Distributors , 1996 - 283p : ISBN: 81-7391-041-3 Subjects--Topical Terms: Physics- Teaching Dewey Class. No.: C(T:3) / N6