VASYLIUK, ANDRII, and VOLODYMYR STRUS. “INFORMATION SYSTEM FOR MANAGING A MULTIMEDIA ONLINE SERVICE FOR LANGUAGE LEARNING”. Herald of Khmelnytskyi National University. Technical Sciences, vol. 351, no. 3.1, June 2025, pp. 504-10, https://doi.org/10.31891/2307-5732-2025-351-65.