Laohapensang P, Chatiketu P. Effectiveness of learning process model to improve oral health literacy among parents of early childhood in Health Promotion Center Region 1, Chiang Mai . Th Dent PH J [internet]. 2022 Sep. 30 [cited 2026 Sep. 24];27:28-40. available from: https://he02.tci-thaijo.org/index.php/ThDPHJo/article/view/259216