Dias, M. R. C., Simão, R., Machado, G. H. R., Furtado, H., Sousa, N. F., Fernandes, H. M., & Saavedra, F. J. F. (2014). Relationship of Different Perceived Exertion Scales in Walking or Running With Self-Selected and Imposed Intensity. J Hum Kinet.

Dias, Marcelo Ricardo Cabral, Roberto Simão, Geraldo Heleno Ribeiro Machado, Hélio Furtado, Nelson Fortuna Sousa, Helder Miguel Fernandes, et Francisco José Félix Saavedra. "Relationship of Different Perceived Exertion Scales in Walking or Running With Self-Selected and Imposed Intensity." J Hum Kinet 2014.

Dias, Marcelo Ricardo Cabral, et al. "Relationship of Different Perceived Exertion Scales in Walking or Running With Self-Selected and Imposed Intensity." J Hum Kinet 2014.