Jannah, M.; Widohardhono, R.; Purnomo, R. A. A.; Santosa, R. P.; Harita, A. N. W.; Dewi, D. K.; Nuryananda, T. F.; Halida, A. N.; Maulidiyah, E. F. Physical Activity As a Key to Happiness in University Students: Moderated by Emotion Regulation. Retos 2025, 71, 805-817. https://doi.org/10.47197/retos.v71.117446.