Gasela, Y., S. Sidauruk, and A. H. Fatah. “Quality of Final Assessment Questions Made by Chemistry Subject Teachers in Class XI Senior High School in Kotawaringin Barat District in Odd Semester Academic Year 2018/2019”. Jurnal Ilmiah Kanderang Tingang, Vol. 11, no. 1, June 2020, pp. 41-50, doi:10.37304/jikt.v11i1.72.