Riska Dwi Anggraini, Tjipto Prastowo, and Elok Sudibyo. “Analysis of Problem Solving Skills in the Vocational High School Using Direct Current Electricity As A Case Study”. IJORER : International Journal of Recent Educational Research 3, no. 3 (May 30, 2022): 301-311. Accessed July 1, 2025. https://journal.ia-education.com/index.php/ijorer/article/view/219.