„A comparison study of patients attendance to klinik rawatan keluarga pergigian (krkg) hospital universiti sains malaysia (Hospital USM): A study from the year 2017 to the year 2020”. Journal of Numerical Optimization and Technology Management 1, no. 2 (kwiecień 13, 2024): 77–84. Dostęp sierpień 24, 2026. https://shmpublisher.com/index.php/jnotm/article/view/319.