Sodnomdorj, Sanaser, Khuslen Batbold, and Ankhbayar Chuluunbaatar. “ANALYZING TOP-20 INDEX RETURNS USING THE WEIBULL DISTRIBUTION”. Journal of Business and Innovation (Бизнес & Инноваци) 12, no. 2 (July 28, 2026): 5–16. Accessed August 19, 2026. https://journal.num.edu.mn/BusinessAndInnovation/article/view/11056.