Rakhmiyati. (2021). USE OF APPLICATION BASED MODULE ON ADDITIVE AND ADDICTIVE MATERIALS FOR LEARNING ACTIVITIES DURING PANDEMIC COVID -19 (Study at a Student of Junior High School Muhammadiyah 1 Sleman). Proceeding International Conference on Science and Engineering, 4, 335–337. Retrieved from http://sunankalijaga.org/prosiding/index.php/icse/article/view/682