Zourmpakis, A. I. “Developing Computational Thinking in Early Childhood Education: Long-Term Impacts on CT Skills and Motivation Using the CAL Approach, ScratchJr, and Gamification”. Advances in Mobile Learning Educational Research, Vol. 5, no. 2, Aug. 2025, pp. 1536-47, doi:10.25082/AMLER.2025.02.009.