Source: https://www.researchgate.net/profile/Dominique-Peyrat-Guillard/publication/332866410_La_performance_individuelle_au_travail_et_ses_determinants_psychologiques/links/5d6e7949a6fdccf93d381c5d/La-performance-individuelle-au-travail-et-ses-determinants-psychologiques.pdf