Giartama, G., Destriani, D., Waluyo, W., & Muslimin, M. (2020). Efektivitas alat tes servis bolavoli berbasis mikrokontroller. Jurnal SPORTIF : Jurnal Penelitian Pembelajaran, 6(2), 499–513. https://doi.org/10.29407/js_unpgri.v6i2.14492