Arif Çetin, Oktay Akyüz, Mustafa Can Koç, Ayşe Demir and Aydın Pekel 2023. Exploring the Relationship Between Nutrition Knowledge and Mental Well-Being: Research on Master Athletes Participating in Recreational Marathons. Journal of Population Therapeutics and Clinical Pharmacology. 30, 12 (Jun. 2023), 16–22. DOI:https://doi.org/10.47750/jptcp.2023.30.12.003.