00494nam a2200157Ia 450000500170000000800460001703700180006304000200008104100130010108400260011410000170014024501190015726000090027630000090028554600420029420250508163320.0008  250505s9999    xx            000 0 eng d  aDissertations  aFEDLbengcFEDL  aeng2eng  a371.146, GUP/DIqFEDL  aGupta Sushma 0aStudy of the effectiveness of in-service science teachers's programme organized by directorate of education, Delhi  c1988  a95p.  aM. Ed. Dissertation (Delhi University