Martaviano Triaiditya, B., G. Rubiono, and D. Santoso. “The Effect of Wood Type on the Reflection of a Table Tennis Ball”. Jp.Jok (Jurnal Pendidikan Jasmani, Olahraga Dan Kesehatan), Vol. 4, no. 2, Dec. 2021, pp. 210-23, doi:10.33503/jp.jok.v4i2.1175.