Wulansari, Rizky, and Rahmat Nabawi. 2021. “Efforts to Improve Problem Solving Skills and Critical Thinking Skills Through Problem-Based Integrated Computer Assisted Instruction (CAI) in Vocational Education”. Jurnal Pendidikan Teknologi Kejuruan 4 (4), 111-17. https://doi.org/10.24036/jptk.v4i2.21123.