2018. THE ANALYSIS OF JUNIOR HIGH SCHOOL STUDENTS’ COMMUNICATION AND COLLABORATION SKILLS IMPROVEMENT USING MULTIMEDIA-BASED INTEGRATED INSTRUCTION (MBI2) IN LEARNING REFLECTION CONCEPT. Jurnal Pengajaran Matematika dan Ilmu Pengetahuan Alam. 23, 2 (Jul. 2018). DOI:https://doi.org/10.18269/jpmipa.v23i2.13981.