P.S.S.C. Physics: Teacher`s Resource Book and Guide / Textual Documents National Council of Educational Researcs and Training. - 1st ed. / - New Delhi : National Council of Educational Researcs and Training , 1964. - 109p. : ill ; 22cm . Subjects--Index Terms: Physics G-Physics T/G-Physics Dewey Class. No.: 530 / N 213 P