Anggraini, C., Abudarin, A. and Asi, N.B. 2020. The Effect of Giving Worksheet-Structured Problem Training Towards Understanding the Concept of Isomer of Hydrocarbon Compounds in Class XI Science Students of Public Senior High School 4 Palangka Raya in Academic Year 2018/2019. Jurnal Ilmiah Kanderang Tingang. 11, 1 (Jun. 2020), 63-77. DOI:https://doi.org/10.37304/jikt.v11i1.74.