Мукaш Ж., Дaутбековa Н., Сaитовa Н., Л. Гриценко, Н. Гусейнов, С. Кумеков, and Aбдуллин Х. “Dependence of Optical and Electrical Properties of ZnO:В Thin Layers on the Hydrothermal Synthesis Temperature”. Recent Contributions to Physics, vol. 2016, no. 4, Sept. 2016, pp. 64-67, https://bph.kaznu.kz/index.php/zhuzhu/article/view/494.