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HARTATIK S. PENERAPAN PROBLEM BASED LEARNING DALAM MENINGKATKAN MOTIVASI DAN HASIL BELAJAR PESERTA DIDIK SESUAI KURIKULUM MERDEKA. vocational [Internet]. 2022Oct.31 [cited 2026Jan.25];2(4):335-46. Available from: https://www.jurnalp4i.com/index.php/vocational/article/view/1868