Fix N. P. Natalia Pavlovna. (2020). Online course of English for Professional Purposes in a distance learning environment; International Conference of Education, Research and Innovation (ICERI2020). 2020. https://doi.org/10.21125/iceri.2020.2053
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fix N. P. Natalia Pavlovna. Online Course of English for Professional Purposes in a Distance Learning Environment; International Conference of Education, Research and Innovation (ICERI2020). 2020, 2020. https://doi.org/10.21125/iceri.2020.2053.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Fix N. P. Natalia Pavlovna. Online Course of English for Professional Purposes in a Distance Learning Environment; International Conference of Education, Research and Innovation (ICERI2020). 2020, 2020. https://doi.org/10.21125/iceri.2020.2053.