Several studies have mentioned the effectiveness of Lesson Study (LS) on learning process. However, bibliometric governing LS is scarce. This study aims to provide a bibliometric view of LS research that develops from 2012-2023. A total of 683 articles were collected through the Scopus database. The visualization results showed that there were 27 research themes distributed in 8 clusters. From these results, it was found that LS research trends in 2012-2016 focused on improving learning through action research, problem-solving, phenomenography, teacher development, school reform, and professional learning. In 2017-2020, LS research focused on case studies, sustainability, learning environment, teacher knowledge, initial teacher education, teacher education, collaboration, critical thinking, leadership, primary school, teacher professional development. Meanwhile, in 2021-2023, LS research focuses on online lesson study, higher education, communication, inclusive education, and teacher beliefs. Bibliometric analysis and visualization revealed that from 2012-2023 the trend of LS research is growing along with the increasing results of publications and citations. This study also illustrates publication opportunities in various countries that have a high interest in LS research. Therefore, this finding is expected to be a reference for further LS research.
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