Faza, Indiana Putri Wijaya, and Mamnuah. “Brain Gym Affect Stress Levels in Narcotics Inmates”. International Journal of Health Science and Technology 5, no. 3 (April 18, 2024): 266–274. Accessed December 26, 2024. https://ejournal.unisayogya.ac.id/index.php/ijhst/article/view/3595.