Kaewkungwal, Jaranit. “The Grammar of Science: How do We Count Time?”. Outbreak, Surveillance, Investigation & Response (OSIR) Journal 15, no. 3 (September 30, 2022): 99–105. accessed April 18, 2025. https://he02.tci-thaijo.org/index.php/OSIR/article/view/262370.