Skowron-Grabowska B, Sukiennik K, Szczepanik T. DEVELOPMENT OF COURIER COMPANIES AS FOR THE E-COMMERCE MARKET SERVICE. ALS [Internet]. 2016 Dec. 31 [cited 2024 Nov. 21];10(2):91-7. Available from: https://als.uni-miskolc.hu/index.php/als/article/view/37