Lidwina Mendrofa, Iradat, and Samsuddin Siregar. “Teaching Competence of Physical Education Teachers in Junior High Schools: A Cross-Sectional Study in Nias, Indonesia”. IGI in Education Insight, vol. 1, no. 02, Apr. 2026, pp. 87-94, https://doi.org/10.53905/edu.v1i02.11.