Erdőháti-Kiss, Attila, Henrietta Janik, András Tóth, Zsuzsanna Tóth-Naár, and Szilvia Erdei-Gally. “The Effectiveness of Russian Import Sanction on the International Apple Trade: Network Theory Approach”. Journal of Eastern European and Central Asian Research (JEECAR) 10, no. 5 (September 2, 2023): 712–726. Accessed May 19, 2024. https://ieeca.org/journal/index.php/JEECAR/article/view/1249.