Vững, N. Đăng ., T. Đức Minh, L. N. Trương, and P. T. T. Trang. “Knowledge, Attitude and Practice of Hand Washing Among Secondary School Students and Their Associated Factors”. Journal of Medical Research, vol. 144, no. 8, Aug. 2021, pp. 45-57, doi:10.52852/tcncyh.v144i8.403.