Buddee, S. and Kongson, R. (2024) “Strengthening Awareness of the Environment with Instructional Model Based on the Concept of Social Service Learning Combined with Problem- Based Learning for Grade 12 Students in an Environmental Impact Area Prone to Environmental Disaster Water, Air and ”, Journal of Humanities and Social Sciences, Rajapruk University, 10(1), pp. 48–66. available at: https://so03.tci-thaijo.org/index.php/rpu/article/view/277467 (accessed: 12 September 2026).