Фреїк, Дмитро Михайлович, et al. “ANOCOMPOSITE THERMOELECTRIC MATERIALS PRODUC- TION, PROPERTIES, USING (REVIEW)”. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, no. 1(17), Mar. 2019, pp. 155-9, https://pvntsh.nung.edu.ua/index.php/number/article/view/242.