The objective of this research is to improve the critical thinking ability in accounting education through ICT Media assisted Problem based Learning model utilization. Action Research approach was used in this study. The sample of the research is vocational school students selected by using cluster random sampling technique in Boyolali, Indonesia. The data were collected via observation, interview, test and documentation. Data validity test were performed by method and source triangulation. As

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... result, ICT Media assisted Problem based Learning successfully improve the student's ability of critical thinking which were reviewed from the ability to conduct questions, ability to give argumentations, ability to collect and composing information, ability to analyze problems, and ability to make decisions and conclusions