CURRENTLY AVAILABLE 4 FORMATS OF AUCTION TRADING (ENGLISH, DUTCH, SEAL FIRST PRICE , VICKRY) WIDELY DISTRIBUTED IN THE WORLD AND THEIR PROS AND CONS IN THEIR MANAGEMENT MECHANISM. Journal of Multidisciplinary Sciences and Innovations, [S. l.], v. 4, n. 2, p. 40–46, 2025. DOI: 10.55640/. Disponível em: https://ijmri.de/index.php/jmsi/article/view/65. Acesso em: 12 jun. 2025.