Wulandari TS, Putra RWY, Fadila A. A Video-Assisted Flipbook-Based E-Module to Enhance Mathematical Critical Thinking Skiils. JRHotsPM [Internet]. 2026 May 10 [cited 2026 Jun. 19];6(2):536-51. Available from: https://www.etdci.org/journal/kognitif/article/view/3986