“Survey On The Level Of Physical Fitness Of Students Aged 10-11 After The Covid-19 Pandemic At state elementary school Kaliboto 3, Tarokan District, Kediri Regency In 2022/2023”, NS, vol. 1, no. 03, pp. 131–143, Aug. 2023, doi: 10.2024/ns.v3i04.2025_P559-568.