Arzieva, Emma. “The Impact of Maternal-Infant Attachment Style on Infant Sleep Regulation”. Bulletin of Yerevan University E: Philosophy, Psychology 16, no. 2(47) (June 30, 2025): 78–90. Accessed January 22, 2026. https://journals.ysu.am/index.php/bulletin-ysu-phil-psych/article/view/13138.