“Creative Elderly Productive Elderly Flower Arranging Activities With the Elderly in Manukan, Tandes District, Surabaya City”. Nusantara Science and Technology Proceedings 2024, no. 41 (May 18, 2024): 202–206. Accessed April 24, 2025. https://nstproceeding.com/index.php/nuscientech/article/view/1176.