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, Vol. 3, no. 3, May 2022, pp. 301-1, doi:10.46245/ijorer.v3i3.219.