MAROTI, Ștefan, et al. “STUDY RELATED TO THE EVOLUTION OF TABLE TENNIS IN OLYMPIC GAMES FROM THE PERSPECTIVE OF SPORT HISTORY AND GEOGRAPHY”. Studia Universitatis Babeș-Bolyai Educatio Artis Gymnasticae, vol. 60, no. 4, Dec. 2015, pp. 61-69, https://studia.reviste.ubbcluj.ro/index.php/subbeducatio/article/view/4785.