Somta S, Völker M, Widyastari DA, Mysook S, Wongsingha N, Potharin D and Katewongsa P (2023) Willingness-to-pay in physical activity: how much older adults value the community-wide initiatives programs? Front. Public Health 11:1282877. doi: 10.3389/fpubh.2023.1282877
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