Jovičić D, Vranješ M, Gašević D. EFFICIENT MARKETING CHANNELS AS PREREQUISITE FOR COMPETITIVENESS IN THE SERBIAN GAS BOILER MARKET. IJEPP [Internet]. 2019 Apr. 9 [cited 2026 Jul. 12];(2):56-67. Available from: https://asistent.ceon.rs/index.php/skolbiz/article/view/20530