Аскарова, А., С. Болегенова, С. Болегенова, В. Максимов, А. Ергалиева, З. Габитова, and А. Боранбаева. “Investigation of Heat Transfer Characteristics When Burning the Coal-Dust Torch N the Combustion Chamberof the Boiler BKZ-160”. Recent Contributions to Physics, vol. 2016, no. 1, Feb. 2016, pp. 36-43, https://bph.kaznu.kz/index.php/zhuzhu/article/view/436.