00842nam a2200193 a 4500003000200000005001700002008004100019050002900060100002100089245012500110260009200235300004600327504004100373650003900414650004900453650005200502650005200554650004200606020250310150937.0080730s19uu    xx            00    eng d  aPGS LB 3013.3bM149 2008  aMachida, Yuzo F.  aEffect of class size to the level of focus of the SISC and Las Piñas National High School students /cYuzo F. Machida.  aLas Piñas City, Philippines :  bSouthville International School and Colleges,c2008.  a25 pages :   billustrations ;  c28 cm.   aIncludes bibliographical references.  aClass size vEducational effects.   aAttention in children vEducational aspects.  aEducation, Elementary vClassroom environment.   a Education, Secondary vClassroom environment.   aSchool size and academic achievement.