Bilynskyi, Yosyp, Marianna Dobrovolska, і Oleksandr Bilynskyi. 2017. «CHANGES OF BIOCHEMICAL CHARACTERISTICS OF SALIVA AND THEIR INFLUENCE ON STOMATOLOGICAL STATE OF STUDENTS UNDER STRESS». Scientific Works of Vinnytsia National Technical University, вип. 1 (Липень):1-5. https://works.vntu.edu.ua/index.php/works/article/view/491.