M. B. U. B. Arifin, M. Sholeh, A. Hafiz, R. D. Agustin, and M. D. K. Wardana, “Developing Interactive Mobile Mathematics Inquiry to Enhance Students’ Problem-solving Skill”, Int. J. Interact. Mob. Technol., vol. 15, no. 01, pp. pp. 24–38, Jan. 2021.