MICROFLOTATION OF GOLD-BEARING ORE: WITHIN-BATCH EFFECTS AND GROUP-AWARE CLASSIFICATION OF REAGENT REGIMES. JPCSIT [Internet]. 2026 Sep. 23 [cited 2026 Oct. 23];4(3):103-12. Available from: https://jpcsit.kaznu.kz/index.php/kaznu/article/view/390