Muradyan, Viktorya. “About the Issue of Classification of Irregular and Defective Verbs”. Bulletin of Yerevan University B: Philology 13, no. 2 (38) (July 6, 2022): 67–78. Accessed September 19, 2024. https://pub.ysu.am/index.php/bulletin-ysu-philology/article/view/vol13_no2_2022_pp067-078.