Khong LH, Ghazali AK, Nik Mohd Noor NZ, et al. Effectiveness of Hand Washing Education on Knowledge, Attitude and Practice among Orang Asli Kids in Gua Musang, Kelantan. Malays J Med Sci. 2025;32(5):115–130. doi:10.21315/mjms-01-2025-059