1.
สิริปิยธรรม ว, คิดดี ก, ภู่พัฒน์ ผ. The development of learning achievement and problem solving ability for grade 12 students by using project-based learning activities. J. IND. EDUC. [Internet]. 2015 Aug. 31 [cited 2024 Apr. 30];14(2):221-7. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/122341