DA’I, M.; CAHYANINGRUM, V. D. . The Effect of Self Efficacy and Social Support on Achievement Motivation of UNUGIRI Rugby Athletes. Nusantara of Research : Jurnal Hasil-hasil Penelitian Universitas Nusantara PGRI Kediri, [S. l.], v. 10, n. 1, p. 1–11, 2023. DOI: 10.29407/nor.v10i1.19295. Disponível em: https://ojs.unpkediri.ac.id/index.php/efektor/article/view/19295. Acesso em: 22 dec. 2024.