TY - BOOK AU - de Luzuriaga, Brian Anthony R. TI - Perceptions and awareness of grade 6 students of Southville International School on ozone layer depletion AV - PGS QC 879.6 .L979 2002 PY - 2002/// CY - Las Piñas City, Philippines : PB - Southville International School and Colleges KW - Ozone layer depletion KW - Study and teaching (Elementary) KW - Environmental aspects KW - Environmental education KW - Elementary education KW - Sixth grade (Education) KW - Attitudes N1 - Includes bibliographical references ER -