00912cam a22002291 4500 sa 65003148 DLC 20260227112121.0 860109s1962 ii b 000 0 eng sa 65003148 PL480:I-E-3051 (OCoLC)12994010 DLC ViU DLC premarc Q183.4.I4 N37 1962 Delhi (India). National Institute of Education. Directorate of Extension Programmes for Secondary Education. Report of the working group on the courses of study in science education in the regional training colleges, Mussoorie, 19 to 24 June, 1962. New Delhi, National Council of Educational Research and Training, Directorate of Extension Programmes for Secondary Education [1962] 162 p. 24 cm. Includes bibliographies. Science Study and teaching. 63003 63003