Tasya Y, Sadiana IM, Asi NB. Profile of Mastery Atomic Structure Concepts in Class X Students of Public Senior High School 4 Palangka Raya Academic Year 2018/2019. JIKT [Internet]. 2020Jun.30 [cited 2025Aug.25];11(1):30-. Available from: https://chem-upr.education/ojs/index.php/JIKT/article/view/70