2020. THE PROFILE OF LEARNING ENVIRONMENT AND COGNITIVE ABILITY IN ENVIRONEMNTAL POLLUTION TOPICS OF STUDENTS’ AT SEKOLAH INDONESIA KUALA LUMPUR. Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam. 25, 1 (Apr. 2020), 21–26. DOI:https://doi.org/10.18269/jpmipa.v25i1.48782.