Beatriz Regina Pereira Saeta, Vinicius Barroso Hirota Sidney Rodrigues. “Motivation Instrument First-Testing On Brazilian´S Rugby Players”. International Journal of Social Sciences and Humanities Invention 1, no. 7 (October 6, 2014). Accessed November 26, 2024. https://valleyinternational.net/index.php/theijsshi/article/view/47.