Hasanah U, Ahmadi A. Pengembangan Bahan Ajar Contextual Teaching And Learning (CTL) Berbantuan Media Komputasi Hyperchem Pada Materi Hidrokarbon. HJKK [Internet]. 2015 Dec. 5 [cited 2025 Aug. 16];3(2):309-12. Available from: https://e-journal3.undikma.ac.id/index.php/hydrogen/article/view/689