Nueangchomphu J, Worakham P. The Development of The Project - Based Learning to Enhance Integrated Science Process Skills of Second Year Vocational Certificate Students. edurmu [internet]. 2023 Apr. 28 [cited 2026 Sep. 29];20(1):17-26. available from: https://so06.tci-thaijo.org/index.php/edu-rmu/article/view/255556