BILGE, Ayse Humeyra; OZDEMIR, Yunus. The critical point of a sigmoidal curve. Studia Universitatis Babeș-Bolyai Mathematica, [S. l.], v. 65, n. 1, p. 77–91, 2020. DOI: 10.24193/subbmath.2020.1.07. Disponível em: https://studia.reviste.ubbcluj.ro/index.php/subbmathematica/article/view/2417. Acesso em: 15 jul. 2025.