Raras, Merdu, and Heru Kuswanto. 2019. “Developing Jemparingan Tradition-Based and Android-Assisted Learning Media for Improving the Graphic and Vector Representation Ability”. International Journal of Interactive Mobile Technologies (iJIM) 13 (05):pp. 58-74. https://doi.org/10.3991/ijim.v13i05.9926.