D. Prastyo, G. D. Lestari, and A. Kristanto, “Validity and Reliability of HOTS Instruments for Early Childhood: A Preliminary Study”, TWIST, vol. 21, no. 1, pp. 45–56, Jan. 2026, Accessed: Feb. 08, 2026. [Online]. Available: https://twistjournal.net/twist/article/view/977