TY CONF TI Analysis of Students Academic Failure: Review of Research (2021–2025) KW Educational Data Mining KW analysis of educational data KW modeling of learning outcomes KW student academic failure JO VII Betancourt International Engineering Forum AU Blagoveschenskaya, E.A. AU Gribkova, N.V. AU Kudarov, R.S. AU Kudarov, R.S. PY 2026 PB FSBEI HE "Emperor Alexander I St. Petersburg State Transport University"