Hongitiyanon T, Janjadkarn B, Mimgratok S. The Development of a Perceived Self-efficacy Enhancement Program for Depression Prevention of the Elders in Community, Chanthaburi Province. JPNC [internet]. 2025 Dec. 31 [cited 2026 Oct. 1];36(2):223–239. available from: https://he01.tci-thaijo.org/index.php/pnc/article/view/281027