SARI, novieta; SIDAURUK, S. .; MEILIAWATI, R. .; SARI, A. R. P. The Difficulties of X Grade High School Students in Palangka Raya City Academic Year of 2018/2019 in Understanding Chemical Bond Concept using Two-Tier Multiple Choice . GAMAPROIONUKLEUS, [S. l.], v. 1, n. 2, p. 135–148, 2020. DOI: 10.37304/jpmipa.v1i2.3686. Disponível em: https://e-journal.upr.ac.id/index.php/JPMIPA/article/view/3686. Acesso em: 9 mar. 2025.