INVESTIGATION OF THE PHYSICO-CHEMICAL FEATURES OF A PHOSPHOROUS AGGLOMERATE USING PHOSPHATE-SILICEOUS SHALES AND OIL WASTE. ВНЮК [Internet]. 2025 Jun. 2 [cited 2026 Nov. 14];(2):70-6. Available from: https://nu.auezov.edu.kz/index.php/nu/article/view/242