“EXAMPLE PROBLEMS AND TEACHING METHODS OF SHORT MULTIPLICATION FORMULAS IN SECONDARY SCHOOLS”, Brit. Jour. of Glob. Eco. and Sust. Deve., vol. 13, pp. 42–43, Feb. 2023, Accessed: Jan. 31, 2026. [Online]. Available: https://journalzone.org/index.php/bjgesd/article/view/232