MBARKI , M.A. , BAKOUR , C. and LHALOUI , F.E. 2022. HUMAN CAPITAL, A CHALLENGE FOR SUSTAINABLE IMPROVEMENT OF THE BUSINESS CLIMATE. The Journal of Quality in Education. 12, 20 (Dec. 2022), 124–143. DOI:https://doi.org/10.37870/joqie.v12i20.331.