BONDAR, E. Independent work of students as an integral part of the educational process in extracurricular times. Pedagogy of Higher and Secondary Education, Kryvyi Rih, Ukraine, v. 26, p. 50–55, 2009. DOI: 10.31812/educdim.6988. Disponível em: https://journal.kdpu.edu.ua/ped/article/view/6988. Acesso em: 2 apr. 2025.