Popovych, Ihor, Oleksandr Semenov, Anastasia Skliaruk, Kateryna Sotnikova, y Nataliia Semenova. 2021. «Research of the Dominant Psycho-Emotional States of University Lecturers During the Progression of the COVID-19 Pandemic». Amazonia Investiga 10 (48):52-62. https://doi.org/10.34069/AI/2021.48.12.6.