Worapin, K. (2020) “Development of an Instructional Process Based on Authentic Learning to Enhance Mathematical Problem-solving Abilities of Elementary School Students in Phetchaburi”, Journal of Education Studies, Chulalongkorn University. Bangkok, Thailand, 48(4), pp. 1–19. available at: https://so02.tci-thaijo.org/index.php/EDUCU/article/view/246409 (accessed: 12 September 2026).