Advances and obstacles of optional studies : The case of EuroTeQ engineering universityVodovozov, Valery; Raud, Zoja2025 IEEE 66th International Scientific Conference on Power and Electrical Engineering of Riga Technical University (RTUCON)2025 / 5 p http://www.conference.rtu.lv/rtucon/ https://doi.org/10.1109/RTUCON67996.2025.11414979