S. Thojampa, C. Sarnkhaowkhom, S. Khankhajhon, R. Boonpracom, A. Puraya, and W. Sahattecho, “Self-Efficacy of Exercise in Older Adults with Diabetes: A Concept Analysis”, J. Ners, vol. 15, no. 1, pp. 105–112, Jun. 2020.