B. A. . Siagian, R. . Sidabutar, Y. . Hutasoit, and A. T. . Saragih, “KONTRIBUSI SOSIAL PMM 2 UNDIKSHA DI PANTI ASUHAN NARAYAN SEVA BULELENG, BALI”, CDJ, vol. 4, no. 2, pp. 3195–3199, Jun. 2023.