Ni Made Wiyasmei Gyanthi, I Gusti Ayu Tri Agustiana, Dewe Gede Firstia. LAPS-HEURISTIC Learning Model Improves Mathematical Problem-Solving Ability. International j.of Elementary Education [Internet]. 16 Februari 2023 [dikutip 17 Juli 2024];7(1):169-77. Tersedia pada: https://ejournal.undiksha.ac.id/index.php/IJEE/article/view/58407