Rochmahwati, P., I. Yuliasri, S. Sukarno, and D. A. L. Barathi. “Blended Project Based-Instruction and Its Impact an High Order Thinking Skills”. Proceedings of International Conference on Science, Education, and Technology, vol. 7, no. 1, Mar. 2023, pp. 445-52, https://proceeding.unnes.ac.id/ISET/article/view/1996.