[1]
“SUSTAINABLE DEVELOPMENT OF 21ST CENTURY SKILLS IN MATHEMATICS EDUCATION USING HEURISTIC AND PROBLEM-SOLVING TECHNIQUES”, IJFANS, vol. 11, no. 13, pp. 2709–2718, Jan. 2022, Accessed: Aug. 11, 2026. [Online]. Available: https://www.ijfans.org/index.php/Journal/article/view/7778