เกิดมงคล ส, ภัยแคล้ว ก. The Effect of Using the Geometer’s Sketchpad (GSP) Program on 5Es Inquiry Learning Activities: The Applications of Definite Integral for Undergraduate Students. RMUTSV Research Journal [Internet]. 2019 May 1 [cited 2024 Apr. 29];11(2):338-4. Available from: https://li01.tci-thaijo.org/index.php/rmutsvrj/article/view/189305