1.
Azizah UN, Ulfa N, Putri NS. Designing a Pre-Calculus Learning Module for Pre-Service Mathematics Teachers through the Hypothetical Learning Trajectory Approach. JRHotsPM [Internet]. 2025 Oct. 29 [cited 2026 Apr. 30];5(4):1483-9. Available from: https://www.etdci.org/journal/kognitif/article/view/3629