Trimurtini, St. Budi Waluya, Y. L. Sukestiyarno, Iqbal Kharisudin and Nursiwi Nugraheni. Scaffolding Guidelines in Geometry Learning for Learning Trajectory Optimization. PLLER-V3 [Internet]. 2023 Dec. 29 [cited 2026 Jun. 19];:20-37. Available from: https://stm.bookpi.org/PLLER-V3/article/view/12867