1. 1. Tshering KD. The effects of active learning approach in teaching and learning science: A case of one of the primary schools in Bhutan. Int Res J Qual Educ. 2020;7(1):1-6.
2. 2. Smith KJ, Metz PA. Evaluating student understanding of solution chemistry through microscopic representations. J Chem Educ. 1996;73(3):233-5.
3. 3. Richey D, Stacy AM. The role of metacognition in learning chemistry. J Chem Educ. 2000;77(7):915-20.
4. 4. Lazarowitz R, Tamir P. Research on using laboratory instruction in science. In Handbook of Research on Science Teaching and Learning, Gabel, D. L. Ed., Maxwell Macmillan International: New York; 1994.
5. 5. Papert SA. Mindstorms: Children, Computers, and Powerful Ideas, Basic Books: New York, POGIL Project. Effectiveness of POGIL. Available from: http://www.pogil.org/effectiveness/ [accessed March 2008].