00367nam a2200133Ia 4500003000600000005001700006008004100023020001500064040002500079082002200104100002400126245004200150260004100192NORSU20240809062953.0240215s9999 xx 000 0 und d a9711024187 aNORSU-DumcNORSU-Dum a371.2 G86 1978 c2 aGregorio, Herman G. 0aSchool Administration and Supervision bR.P. Garcia Publishing Companyc1978