Komaini, Anton, Hendra Hidayat, Ganefri Ganefri, Alnedral Alnedral, Yanuar Kiram, Gusril Gusril, and Deby Tri Mario. 2021. “Motor Learning Measuring Tools: A Design and Implementation Using Sensor Technology for Preschool Education”. International Journal of Interactive Mobile Technologies (iJIM) 15 (17):pp. 177-191. https://doi.org/10.3991/ijim.v15i17.25321.