Items where Author is "Sitorus, Ravita"
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Sitorus, Ravita and Ulfa, Syarifah Widya (2023) Development of Student Worksheets with Contextual Teaching and Learning Approach for Learning Ecosystem. Jurnal Pendidikan MIPA, 24 (1). pp. 191-202. ISSN e-ISSN: 2685-5488 | p-ISSN: 1441-2531