Juniar, A., dan C. M. B. Tarigan. “The Effect of Implementing Practicum-Based Contextual Teaching and Learning Models to Improve Learning Outcomes on the Subject of Colloids”. PendIPA Journal of Science Education, vol. 8, no. 1, Maret 2024, hlm. 57-64, doi:10.33369/pendipa.8.1.57-64.