Tasya, Y., Sadiana, I. M. and Asi, N. B. (2020) “Profile of Mastery Atomic Structure Concepts in Class X Students of Public Senior High School 4 Palangka Raya Academic Year 2018/2019”, Jurnal Ilmiah Kanderang Tingang, 11(1), pp. 30-40. doi: 10.37304/jikt.v11i1.70.