Sampurna AM, Mulawi M, Sadiana IM. Profile of Mastery Chemical Bonding Concepts in Class X Students of Public Senior High School 4 Palangka Raya in Academic Year 2017/2018. JIKT [Internet]. 2020Jun.30 [cited 2025Aug.25];11(1):14-9. Available from: https://chem-upr.education/ojs/index.php/JIKT/article/view/69