Dass, L. Ghansham, 1899- The teaching of science / L. Ghansham Dass - 6th ed. - Calcutta : Oxford University Press, 1974 - 244 p. : ill. ; 18 cm. - Teaching in India series ; 9 . Includes index ISBN: Rs. 7.50 Subjects--Topical Terms: Science--Study and teaching--IndiaResearch--India Dewey Class. No.: 507