Nurhayatin T, Rohaeti E. Project-based learning on macromolecules using Ketapang natural resources: Fostering creativity and entrepreneurship. Int. J. Educ. Insight [Internet]. 2025Sep.19 [cited 2026Feb.19];6(2):53-64. Available from: http://journal2.uad.ac.id/index.php/ijei/article/view/13970