Bešlin Feruh , Marija, and Biljana Knežević. “MARKETING CHALLENGES IN THE DIGITAL AGE: ETHICAL DILEMMAS IN THE PROMOTION OF NON-INVASIVE BIOHACKING”. Scientific Journal Management in Sports 16, no. XVI, issue I (June 27, 2025): 74–89. Accessed January 26, 2026. https://maninsport.rs/index.php/mus/article/view/41.