Prasetyo, B. D., S. E. Pramono, and S. E. Mulyono. “The Effectiveness of Combining Block-Based Coding With Unplugged Activities for Learning Programming Concepts in Primary Grades”. Proceedings of International Conference on Science, Education, and Technology, vol. 10, no. 1, Sept. 2024, pp. 367-70, https://proceeding.unnes.ac.id/ISET/article/view/3909.