Abdugopirovich, Yuldashov Abdumumin. “Types Of Legal Protection Of A Trademark (Service Mark) In Foreign Countries: The Example Of The Madrid System”. Turkish Journal of Computer and Mathematics Education (TURCOMAT) 12, no. 4 (April 11, 2021): 1068–1073. Accessed May 4, 2024. https://turcomat.org/index.php/turkbilmat/article/view/616.