B. S. Rachmadini, H. Ashoumi, I. A. Akbar, and M. A. Wafa, “Optimizing Qur’an Memorization in Pesantren through the Pomodoro Technique Based on Gagné’s Hierarchical Learning Framework”, Santri: Journal of Pesantren and Fiqh Sosial, vol. 6, no. 2, pp. 205-220, Dec. 2025.