Agarwal, D.D.. Modern Methods of Teaching Chemistry / Textual Documents D.D.Agarwal. - 1st ed. / - New Delhi : Sarup & Sons , 2001. - 288p. : ill ; 22cm . ISBN: 81-7625-202-6 Subjects--Index Terms: Chemistry G-Chemistry Dewey Class. No.: 540 / Ag 11 Mo