O.U.Pulatov, and M.M.Djumayev. “Development Of Students’ Creative Skills in Solving Some Algebraic Problems Using Surface Formulas of Geometric Shapes”. Eurasian Journal of Physics,Chemistry and Mathematics, vol. 11, Oct. 2022, pp. 22-28, https://geniusjournals.org/index.php/ejpcm/article/view/2418.