QI, Jinchong. Coaching Attitudes on Athletic Motivation of Volleyball Elective Students. International Journal of Social Sciences and Public Administration, U.K., v. 3, n. 2, p. 356–366, 2024. DOI: 10.62051/ijsspa.v3n2.44. Disponível em: https://wepub.org/index.php/IJSSPA/article/view/2123. Acesso em: 1 may. 2026.