Noer , R. M., A. Damaina, B. Safitra, D. Devita, E. Ernitha, N. Nurazizah, R. Rosmian, S. Wijayanti, and S. Sumarlini. “Occupational Therapy to Improve Productivity of the Elderly by Creating Photo Frames at Panti Werdha Batam”. Academia Open, Vol. 8, no. 2, July 2023, p. 10.21070/acopen.8.2023.6660, doi:10.21070/acopen.8.2023.6660.