Martins, Eder Marinho, et al. “The Concept of Exponential in Real Analysis Books: A Perspective of Intuition and Rigor Point of View”. Revista Internacional De Pesquisa Em Educação Matemática, vol. 16, nº 1, abril de 2026, p. 1-13, https://doi.org/10.37001/ripem.v16i1.4693.