00573nam a2200157Ia 450000500170000000800460001703700180006304000200008104100130010108400240011410000190013824501970015726000090035430000090036354600430037220250508161833.0008 250505s9999 xx 000 0 eng d aDissertations aFEDLbengcFEDL aeng2eng a530.7, SAN/DIqFEDL aSantosh Kumari 0aStudy of the social positions of physics teachers of Delhi higher secondary schools, their understanding of the nature of their subject and its implications for the treatment of the curriculum c1976 a99p. aM. Ed. Dissertation (Delhi University)