Tursunova Firuza Jamshidovna. “THE STUDY OF THE MINERAL CHEMICAL COMPOSITION OF THE YAKUT SAPONITE MINERAL AND THE PHYSICO-CHEMICAL BASES OF COMPLEX TRACE ELEMENTS”. American Journal of Pedagogical and Educational Research, vol. 7, Dec. 2022, pp. 63-70, https://americanjournal.org/index.php/ajper/article/view/243.