Purnomo, E., E. Marheni, A. S, A. Gumilar, N. Jermaina, and N. E. Z. Abidin. “Physical Education by Improving Students’ Interpersonal Communication Skills”. Physical Education Theory and Methodology, vol. 24, no. 4, Aug. 2024, pp. 520-8, doi:10.17309/tmfv.2024.4.02.