Urahman, T., H. Ismawan, and M. . Rifai. “Survei Kondisi Fisik Atlet Putra Rugby Kalimantan Timur Pada Masa Pandemi Covid-19”. Borneo Physical Education Journal, vol. 3, no. 1, June 2022, pp. 8-16, doi:10.30872/bpej.v3i1.953.