Sodnomdorj S, Batbold K, Chuluunbaatar A. ANALYZING TOP-20 INDEX RETURNS USING THE WEIBULL DISTRIBUTION. JBAI [Internet]. 2026 Jul. 28 [cited 2026 Aug. 19];12(2):5-16. Available from: https://journal.num.edu.mn/BusinessAndInnovation/article/view/11056