1.
Resiyana K, Nugraha A, Sakti Nugroho B. Mathematical Problem Solving Ability in Solving Sequence and Series Problems Using Polya Stages. HI [Internet]. 2023 Aug. 28 [cited 2026 Oct. 11];2(1):1-7. Available from: https://sscsi.org/journal/hamka/article/view/94