Panin, W. and Saowsupa, S. (2021) “ A Study of State and Problems of Science Project Instruction in Secondary School in the Southern Region”, An Online Journal of Education, 16(2), p. OJED1602057 (13 pages). Available at: https://so01.tci-thaijo.org/index.php/OJED/article/view/253323 (Accessed: 3 May 2024).