Urošević, Snežana, Dragiša Stanujkić, PhD, Darjan Karabašević, PhD, & Pavle Brzaković, M.Sc.. " USING SINGLE VALUED NEUTROSOPHIC SET TO SELECT TOURISM DEVELOPMENT STRATEGIES IN EASTERN SERBIA." Economics of Agriculture [Online], 65.2 (2018): 555-568. Web. 23 Oct. 2020