BUINYTSKA, Oksana P.; VASYLENKO, Svitlana V. Modeling of an internal educational resource certification system. Educational Dimension, Kryvyi Rih, Ukraine, v. 6, p. 118–130, 2022. DOI: 10.31812/educdim.4487. Disponível em: https://acnsci.org/journal/index.php/ed/article/view/521.. Acesso em: 16 may. 2025.