WARSONO; KURNIASARI, D. On the Characteristic Function of the Four-Parameter Generalized Beta of the Second Kind (GB2) Distribution and Its Approximation to the Singh-Maddala, Dagum, and Fisk Distributions. Science and Technology Indonesia, [S. l.], v. 10, n. 1, p. 201–211, 2025. DOI: 10.26554/sti.2025.10.1.201-211. Disponível em: https://www.sciencetechindonesia.com/index.php/jsti/article/view/1462. Acesso em: 19 apr. 2026.