DAGENHARD-TRAINER, PHD, CTRS/LRT, P.; FLIPPIN, CTRS, S. Impacts of HeartMath techniques on undergraduate college students: A pilot study. American Journal of Recreation Therapy, [S. l.], v. 20, n. 4, p. 15–24, 2021. DOI: 10.5055/ajrt.2021.0242. Disponível em: https://wmpllc.org/ojs/index.php/ajrt/article/view/3145. Acesso em: 2 may. 2024.