Maratovna, Sadikova Adalat, Adilkhanova Moldir Suiynbaevna, and Boranbaev Yernazar Qdirbayuli. 2022. “The Use of Sodium Sulfide in Production”. American Journal of Social and Humanitarian Research 3 (3):198-200. https://doi.org/10.31150/ajshr.v3i3.973.