«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», JNOTM, т. 1, вып. 2, сс. 77–84, апр. 2024, просмотрено: авг. 25, 2026. доступно на: https://shmpublisher.com/index.php/jnotm/article/view/319