Trung, N. D., N. T. Trung, N. T. T. Hong, D. X. Duyet, and T. D. Van. “The Actual Status of Physical Education for High School Learners through Socializing in Vietnam”. International Journal of Health Sciences, vol. 6, no. 1, Feb. 2022, pp. 304-11, doi:10.53730/ijhs.v6n1.4189.