00335nam a2200109Ia 4500008004100000040002500041082001800066100005000084245005300134260003000187300000800217230627s9999    xx            000 0 und d  aNORSU-SiacNORSU-Sia  a. 370.599 G81  aGregorio, Herman C.  and Cornelia M. Gregorio 0aIntroduction to education in Philippines setting  bGarotech Publishingc1976  a211