Біда, Сергій Олександрович, and Олена Львівна Луценко. 2019. “SLOW FACIAL SIGNS AND THEIR PSYCHODIAGNOSTIC VALUE”. Visnyk of V.N. Karazin Kharkiv National University. Series Psychology, no. 65 (January), 46-53. https://periodicals.karazin.ua/psychology/article/view/12240.