Pitiwong A, Tuntiwongwanich S, Kiddee K. THE DEVELOPMENT OF PROGRAMMING SKILLS WITH PLOBLEM-BASED LEARNING METHOD TOGETHER WITH E-LEARNING COURSEWARE ON SELECTION STRUCTURE PROGRAMMING FOR GRADE 7 STUDENTS. J. IND. EDUC. [Internet]. 2020 Sep. 14 [cited 2024 Apr. 30];19(2):20-9. Available from: https://ph01.tci-thaijo.org/index.php/JIE/article/view/240947