Avetisyan, Yuri. “Questions of Morphology (non-Derivative Interjections, Negation As a Grammatical and Morphological Category)”. Bulletin of Yerevan University B: Philology 15, no. 1 (43) (February 28, 2024): 79–88. Accessed November 21, 2024. https://journals.ysu.am/index.php/bulletin-ysu-philology/article/view/vol15_no1_2024_pp079-088.