MIROTIĆ, Ivan, 2018, Positioning and strategy development for company Čelebić for the period 2018-2020 : master’s thesis [na spletu]. Magistrsko delo. Ljubljana : I. Mirotić. [Dostopano 26 april 2025]. Pridobljeno s: http://www.cek.ef.uni-lj.si/magister/mirotic2884-B.pdf