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Gabriella, Mitarlis N. PENGEMBANGAN LKPD BERORIENTASI PROBLEM BASED LEARNING (PBL) UNTUK MENINGKATKAN KETERAMPILAN BERIPIKIR KRITIS PADA MATERI HIDROKARBON. UJCEd [Internet]. 10Mar.2021 [cited 26Oct.2021];10(2):103-12. Available from: https://ejournal.unesa.ac.id/index.php/journal-of-chemical-education/article/view/38384