Digiesi, S., Manghisi, V. M., Facchini, F., Klose, E. M., Foglia, M. M., & Mummolo, C. (2020). Heart rate variability based assessment of cognitive workload in smart operators. Management and Production Engineering Review, 11(3), 56–64. https://doi.org/10.24425/mper.2020.134932