Iryna Kostetska2025-07-252025-07-2520162658-084510.7206/jmba.ce.2450-7814.175https://repozytorium.kozminski.edu.pl/handle/item/1542business planningtriangular numbersfuzzy setsprofitbusiness planningtriangular numbersfuzzy setsprofitImproving of Business Planning Using the Method of Fuzzy NumbersImproving of Business Planning Using the Method of Fuzzy NumbersArticle