Pérez-Maldonado, M. T., J. Bravo-Castillero, R. Mansilla, and O. Caballero-Pérez , trans. “New Sigmoid Curves: Beyond the Traditional Logistic Models”. Revista Cubana de Física 42, no. 1 (July 15, 2025): 44–50. Accessed July 15, 2025. https://revistacubanadefisica.org/index.php/rcf/article/view/62.