1.
Muchamad Subali Noto, Nurul Ikhsan Karimah, Surya Amami Pramuditya, Yeni Anggraeni. Digital 3D book and Ausubel theory: increasing the mathematical understanding in a linear system with two variable. Elementary Education Online [Internet]. 2023 Dec. 21 [cited 2025 Jul. 18];19(4):1864-7. Available from: https://ilkogretim-online.org/index.php/pub/article/view/6885