Fadhel Nurmidin, M. “The Association Between Secondhand Smoke Exposure and Health Complaints at Kopi Kenangan Manado”. International Journal of Health and Pharmaceutical (IJHP) 5, no. 3 (August 20, 2025): 560–565. Accessed February 10, 2026. https://ijhp.net/index.php/IJHP/article/view/447.