000 00277nam a2200097Ia 4500
082 _aR 371.2 EFFE
245 0 _aEffective educational management
100 _a VAN DER WESTHUIZEN, P C (Philippus Cornelius)
942 _cBK
008 210817s9999 xx 000 0 und d
999 _c404095
_d404094