Sabitova, N., Y. Tikhonov, V. Lakhno, R. Niyazova, B. Razakhova, S. Zholdasova, T. Ospanova, and L. Taimuratova. “Modification of the Ontology Using the teacher’s Personal Materials to Increase the Degree of Automation of EC Preparation”. Eastern-European Journal of Enterprise Technologies, vol. 6, no. 2 (126), Dec. 2023, pp. 59-66, doi:10.15587/1729-4061.2023.295091.