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Annisa Fitriani, M. Nor, Muhammad Sahal. Implementation Of Radec Learning Model With Quizlet To Enhance Cognitive Learning Outcomes Of Students At Smp Negeri 4 Pekanbaru On Earth And Solar System Topics . JoSLEPI [Internet]. 2025 Aug. 21 [cited 2025 Nov. 10];3(2):35-42. Available from: https://journal.riau-edutech.com/index.php/joslepi/article/view/122