Moktan, S., S. Leelacharas, and W. Prapaipanich. “Knowledge, Self-Efficacy, Self-Management Behavior of the Patients With Predialysis Chronic Kidney Disease”. Ramathibodi Medical Journal, vol. 42, no. 2, June 2019, pp. 38-48, doi:10.33165/rmj.2019.42.2.119901.