Zyuzina, E., Gasanova, M. and Samedov, J. (2019) “To the question about foreign language and russian abbreviations and their derivatives in the aspect of the norms of russian orthography”, Amazonia Investiga, 8(19), pp. 588-594. Available at: https://www.amazoniainvestiga.info/index.php/amazonia/article/view/273 (Accessed: 28April2024).