Arditawanti Hulalu, Inne Ariane Gobel and Andi Nur Aina Sudirman 2026. The Effect of Puzzle Cognitive Therapy on the Ability of the Elderly in Hulubalang Village, Paleleh District, Central Sulawesi Province. International Journal of Health, Economics, and Social Sciences (IJHESS). 8, 2 (Apr. 2026), 1401~1409. DOI:https://doi.org/10.56338/ijhess.v8i2.10766.