Optimization design and thinking of new knowledge of primary school mathematics under the perspective of high-order thinking cultivation: Take the surface area of the cylinder as an example. J. Teach. Learn. Elem. Educ. [Internet]. 2023 Aug. 10 [cited 2025 Sep. 15];6(2):111-2. Available from: https://jtlee.ejournal.unri.ac.id/index.php/JTLEE/article/view/215