Nyssanbayeva, G., Tursunbek, S., Kudaibergenov, K., Ongarbayev, Y., Mansurov, Z., & Lubchik, S. (2016). Synthesis and study of physical-chemical properties of expanded graphite. International Journal of Biology and Chemistry, 9(2), 36–39. https://doi.org/10.26577/2218-7979-2016-9-2-36-39