Braz, T. V., Nakamura, F. Y., Esco, M. R., Ornelas, F., Moreno, M. A., Sindorf, M. A., Germano, M. D. and Lopes, C. R. (2020) “Are there relantionship between internal and external load of aerobic training with heart rate variability in women?”, Journal of Physical Education , 31(1), p. e-3148. doi: 10.4025/jphyseduc.v31i1.3148.