Kulbek М.Қ, Baimolda Д, and Aytan Н. 2020. “STUDY OF THE CHEMICAL COMPOSITION OF VOLUME-SURFACE CONCENTRIC-ZONE COLOR SPECTRA IN ZOLOCERAMIC MATERIALS”. Bulletin of Abai KazNPU. Series of Physical and Mathematical Sciences 71 (3). Almaty, Kazakhstan:123-27. https://doi.org/10.51889/2020-3.1728-7901.17.