Wulansari, R. and Nabawi, R. 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 (Dec. 2021), 111-117. DOI:https://doi.org/10.24036/jptk.v4i2.21123.