00666nam a2200193Ia 450000500170000000800460001703700120006304000210007504100130009608400210010910000250013024500910015526000410024630000130028765000260030094200210032699900210034795201040036820250508151201.0008  250505s9999    xx            000 0 eng d  aTextual  aFEDL bengcFEDL  aeng2eng  a371.2, WILqFEDL  aWiles Kimball991317 0aSupervision for better schools : The role of the offcial leader in program development  aNew York, USA bPrentice Hall c1950  axv,330p.  aSchool Administration  cTEXLh371.2, WIL  c1328118d1328118  00104070aFEDLbFEDLd2025-05-08l0o371.2, WILpEL0008385r2025-05-08 15:12:01w2025-05-08yTEXL