Kusuma, Ivan, Mugiyo Hartono, and Tri Rustiadi. “Analysis of Teacher Organization Improve the Quality of Physical Education Teacher Performance During the Covid-19 Pandemic, in Semarang City High School”. Journal of Physical Education and Sports 8, no. 1 (March 30, 2022): 83-93. Accessed July 18, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/56859.