TY - BOOK AU - Machida, Yuzo F. TI - Effect of class size to the level of focus of the SISC and Las Piñas National High School students AV - PGS LB 3013.3 M149 2008 PY - 2008/// CY - Las Piñas City, Philippines : PB - Southville International School and Colleges KW - Class size KW - Educational effects. KW - Attention in children KW - Educational aspects KW - Education, Elementary KW - Classroom environment. KW - Education, Secondary KW - School size and academic achievement N1 - Includes bibliographical references ER -