Siregar FM, Rahmawati Y, Irwanto I. Optimalisasi Diagnosis Pemahaman Konsep Alternatif Melalui Multi-Tier untuk Analisis Laju Reaksi . JRPK [Internet]. 2024 Dec. 31 [cited 2025 Feb. 2];14(2):121-30. Available from: https://journal.unj.ac.id/unj/index.php/jrpk/article/view/37246