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Malik, Adam and El Rachman, Rifelda Fanka and Kuntadi, Dedi (2022) Concrete representational abstract approach to improve students' problem solving skills on heat material. INSECTA: Integrative Science Education and Teaching Activity Journal, 3 (2). pp. 186-193. ISSN e-ISSN 2722-8495 | p-ISSN 2722-8509
El Rachman, Rifelda Fanka (2015) Pendekatan Concrete Representational Abstract (CRA) untuk meningkakan kemampuan pemecahan masalah siswa pada materi kalor. Sarjana thesis, UIN Sunan Gunung Djati Bandung.