“ CONTEXTUAL LEARNING IN ENVIRONMENTAL EDUCATION PROGRAM AND STUDENTS’ ATTITUDE ON HEALTH EFFECTS OF MERCURY: A RASCH MODELING ANALYSIS”. Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam 23, no. 2 (July 15, 2018). Accessed July 1, 2026. https://ejournal-science.upi.edu/jpmipa/article/view/810.