KRUČENA, Amalda Margita; BĒRIŅA, Gundega. E-BOOKS. HUMAN. ENVIRONMENT. TECHNOLOGIES. Proceedings of the Students International Scientific and Practical Conference, Rezekne, Latvia, n. 24, p. 59–63, 2020. DOI: 10.17770/het2020.24.6751. Disponível em: https://journals.ru.lv/index.php/HET/article/view/6751.. Acesso em: 1 may. 2024.