SIAHAAN, Theresia Monika; PANE, Eva Pratiwi; SIDABUTAR, Ropinus; SAUDURAN, Golda Novatrasio. Development of Integral Calculus Teaching Materials to Improve Mathematical Reasoning Ability of Mathematics Education Students at HKBP Nommensen Pematangsiantar University. Edunesia : Jurnal Ilmiah Pendidikan, [S. l.], v. 4, n. 1, p. 133–145, 2023. DOI: 10.51276/edu.v4i1.322. Disponível em: https://www.edunesia.org/edu/article/view/322. Acesso em: 15 jul. 2026.