Kurniawati, Yusfita, et al. “Correlations Among Nutritional Status and Physical Activity in Relation to Physical Fitness Levels of University Students in Indonesia: A Comprehensive Literature Review”. Journal of Unified Multidisciplinary Practice in Sports, Health, and Medicine, vol. 1, no. 1, Jan. 2026, https://ejournal.unesa.ac.id/index.php/jumps/article/view/67320.