Da’i, M., R. Apriyanto, A. S, and H. Aliriad. “The Influence of the Role of Parents and Coaches on the Character Formation of 15-Year-Old Athletes”. Nusantara of Research : Jurnal Hasil-Hasil Penelitian Universitas Nusantara PGRI Kediri, Vol. 10, no. 2, Sept. 2023, pp. 182-91, doi:10.29407/nor.v10i2.21853.