1. Walking New Avenues in Management Research Methods and Theories: Bridging Micro and Macro Domains;Aguinis Herman;Journal of Management,2011
2. Human Capital Fertility and Economic Growth Croissance et convergence économiques Becker, G., Murphy, K., & Tamura, R. (1990). , paper n° 3414; Cambridge : National Bureau of Economic Research. Beine, M. & Docquier, F. (2000). , De Boeck.
3. Revista Nacional de Economía Bernácer, G. (1922). La teoría de las disponibilidades como interpretación de las crisis y del problema social, Madrid, Barcelona, 40.
4. An Economic Evaluation of Job Enrichment : Preface to H. Savall, Work and People Ansoff, H.I. (1981/2009). , Oxford University Press, 1e édition, New York, 2e édition, Charlotte : Information Age Publishing.
5. Human Capital Becker, G. S. (1964). , 3e ed. Chicago : University of Chicago Press.