Awi, A., R. Meiliawati, and S. Wahyutami. “Understanding of Colloidal System Concepts Learning Outcomes Using Worksheet-Assisted Discussion Methods in Class XI Students of Public Senior High School 1 Manuhing in Academic Year 2017/2018”. Jurnal Ilmiah Kanderang Tingang, Vol. 11, no. 1, June 2020, pp. 51-62, doi:10.37304/jikt.v11i1.73.