F. A. Rahmawati, A. S. N. Fadilla, M. N. W. Adi Dharma, N. Annazhifa, Y. H. Nurohmah, and S. D. Eka Putra, “The Effectiveness of the National Wheel Media: Its Application in Improving the Learning Concentration of Students at SDI An-Nur Tumpang”, JPK, vol. 11, no. SpecialIssue(1), pp. 77–87, Jan. 2026.