«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» (2024) Journal of Numerical Optimization and Technology Management, 1(2), s. 77–84. Tilgjengelig på: https://shmpublisher.com/index.php/jnotm/article/view/319 (åpnet: 25 august 2026).