Boltivets, Serhiy, et al. ‚ÄúConsciousness of Newborns and Infants: From Instinct to Developmental Indicators‚ÄĚ. Psyhology & Society, no. 3-4, Mar. 2019, pp. 90-102, https://doi.org/10.35774/pis2018.03.090.