Joaquim, N. de F., J. P. de B. Nascimento, A. A. V. Boas, and F. T. Silva. “Apprenticeship Teaching: A Studying in the Post Graduation Programs of the Federal University of Lavras”. Journal of Contemporary Administration, Vol. 15, no. 6, 1, pp. 1137-51, doi:10.1590/S1415-65552011000600010.