TY - BOOK AU - Park, Ho Yong. TI - Student's stress on the homogenous and heterogenous classes AV - PGS BF 575.S75.H66 .P235 2007 PY - 2007/// CY - Las Piñas City, Philippines : PB - Southville International School and Colleges KW - Stress in children KW - Educational aspects KW - Classroom environment KW - Psychological aspects KW - Homogeneous grouping of students KW - Effectiveness KW - Heterogeneous grouping of students KW - Impact on learning KW - Middle school students KW - Stress factors N1 - Includes bibliographical references ER -