00418nam a2200157Ia 450000500170000000800460001703700120006304000200007504100130009508400210010810000190012924500360014826000410018430000090022565000260023420250508163947.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDLbengcFEDL  aeng2eng  a371.2, KHAqFEDL  aAbdul Haq Khan 0aSupervision in secondary school  aDelhi, India bArya Book Depotc1997  a64p.  aSchool Administration