Fabricio Sobrosa Affeldt
IFRS - Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul.
Brazil

Professor at IFRS Federal Institute of Education, Science and Technology of Rio Grande do Sul Business Administration Course Rua Carmense, 85 – Bairro Rubem Berta – CEP 91180-310 – Porto Alegre – RS – Brazil Telephone: +55 (51) – 9999 6377 E-mail: fabricio.affeldt@terra.com.br

Sady Darcy da Silva Júnior
IFRS - Instituto Federal de Educação, Ciência e Tecnologia do Rio Grande do Sul.
Brazil

Professor at IFRS Federal Institute of Education, Science and Technology of Rio Grande do Sul , Business Administration Course. Rua Dr. Egon Renner, 40 – Bairro Aberta dos Morros – CEP 91751-500 – Porto Alegre – RS – Brazil Telephone: (51) – 8183-9383 E-mail: contatosady@hotmail.com