Цапко, Н. С. “THE USE OF PETROCHEMICAL WASTE IN CEMENT PRODUCTION”. Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology"0, no. 43 (May 17, 2016): 200-205. Accessed April 24, 2024. https://periodicals.karazin.ua/geoeco/article/view/5765.