Chehlarova, T., D. Tsvyatkov, N. Chehlarova. (2021). Distance Learning in “Ivan Vazov” Secondary School in Stara Zagora during the 2020/2021 school year. Strategies for Policy in Science and Education. 29(6). pp.568-580 https://doi.org/10.53656/str2021-6-3-dist