Sari, P. S., Hartati, H., Usra, M., Iyakrus, I., & Destriana, D. (2021). Development Of Microcontroller Based Punch Speed Measurements Tool Of Karate Athlete. Kinestetik : Jurnal Ilmiah Pendidikan Jasmani, 5(2), 335–345. https://doi.org/10.33369/jk.v5i2.16510