Tantiworrawit P, Thammavijaya P. A Design Thinking Approach to Developing an Innovative Board Game for Preventing Leptospirosis among Schoolchildren in Nan Province, Thailand. OSIR [internet]. 2025 Dec. 31 [cited 2026 Oct. 4];18(4):232-40. available from: https://he02.tci-thaijo.org/index.php/OSIR/article/view/278794