Nugroho, Agung Wahyu, et al. “PHYSICAL ACTIVITY OF ELEMENTARY SCHOOL STUDENTS IN URBAN AREAS POST COVID-19 PANDEMIC”. Journal Humanitarian Responsibilities, Education & Sport Sciences (JHRESS), vol. 3, no. 1, May 2025, pp. 5-14, https://journal.uny.ac.id/index.php/ijhress/article/view/88667.