Tachan N, Tiamjan R, Deethae A. Development of Health Literacy Program in Promoting the Use of Blue Book Application Among the Elderly in Thung Hua Subdistrict, Wang Nuea District, Lampang Province. JNSU [internet]. 2024 Dec. 28 [cited 2026 Sep. 29];25(49):66-77. available from: https://he01.tci-thaijo.org/index.php/nursingsiamjournal/article/view/271943