Mamyrbayeva, Kulzira, Almira Kuandykova, Tatyana Chepushtanova, Yerik Merkibayev, Brajendra Mishra, and Ainur Sultanbayeva. “Research into the Possibility of Extracting Nickel and Cobalt from Pyrite Tailings Using a Combined Method”. Acta Metallurgica Slovaca 31, no. 4 (December 8, 2025): 238–252. Accessed April 30, 2026. https://office.journal-ams.org/index.php/AMS/article/view/2247.