Phiphithkul P, Samawathdana R, Wattanaburanon A- utcha. PROPOSED GUIDELINES OF DEVELOPING THE HEALTH EDUCATION PROGRAM BASED ON CONSTRUCTIONISM CONCEPT AND HEALTH BELIEF MODEL FOR ENHANCING HEALTH LITERACY ON HEALTH PRODUCTS OF VOCATIONAL EDUCATION STUDENTS. J.TNSU [Internet]. 2021 Aug. 31 [cited 2024 May 17];13(3):235-48. Available from: https://he02.tci-thaijo.org/index.php/TNSUJournal/article/view/252942