<![CDATA[Strategies in improving teacher professionalism through a systematic literature review approach. The method used is Systematic Literature Review (SLR) by examining relevant scientific articles from national and international journals published between 2019 and 2025. The findings indicate that teacher reflection plays a significant role in enhancing professionalism, particularly in pedagogical, professional, social, and personal competencies. Effective reflection strategies include self-reflection, reflective journals, collaborative discussions, academic supervision, and lesson study. Reflection enables teachers to evaluate their teaching practices, identify weaknesses, and design continuous improvements. Moreover, reflection encourages teachers to be more adaptive to technological advancements and the changing characteristics of students in the digital era. However, the implementation of reflection still faces several challenges, such as limited time, low tea cher awareness, lack of reflective culture in schools, and insufficient institutional support. Therefore, systematic efforts through training, constructive supervision, and strengthening teacher learning communities are needed to optimize reflective practices. Thus, teacher reflection can serve as an effective strategy to enhance professionalism and improve the quality of learning sustainably.]]>
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