Riska Dwi Anggraini, Tjipto Prastowo, and Elok Sudibyo. 2022. “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 (3). Indonesia, 301-11. https://doi.org/10.46245/ijorer.v3i3.219.