F. , A. , C. M. Gimenez, P. Eduardo, and O. , Maslow's Theory of Needs: The influence of the educational level over the perception on the work environment, pp.2177-3866, 2010.

. Araujo-jr, José Pires de ? The importance of the strategic view of internal resources of the company. ? Revista Tecnologia Gráfica ? Ed, 2011.

T. , R. ;. Ledwith, A. ;. Kelly, and J. -. , Project management in small to medium-sized enterprises: Matching processes to the nature of the firm, International Journal of Project Management, vol.28, pp.744-755, 2010.