MACKARE, Kristīne; JANSONE, Anita. RESEARCH OF GUIDELINES FOR DESIGNING E-STUDY MATERIALS. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference, Rezekne, Latvia, v. 2, p. 90–96, 2017. DOI: 10.17770/etr2017vol2.2560. Disponível em: https://journals.rta.lv/index.php/ETR/article/view/2560.. Acesso em: 4 may. 2024.