Kochnev, Vladimir. “Product Line Diversification As a Growth Strategy in the E-Commerce Market: From a Startup to a Multi-Million Dollar Company”. Scientific Journal of Bielsko-Biala School of Finance and Law 29, no. 1 (February 28, 2025). Accessed March 28, 2025. https://asej.eu/index.php/asej/article/view/857.