Cabrera Tenecela, H. P. (2017). Unsolved controversy in the theory of systems. Universidad Politécnica Salesiana (Ecuador).
Cita Chicago Style (17a ed.)Cabrera Tenecela, Homero Patricio. Unsolved Controversy in the Theory of Systems. Universidad Politécnica Salesiana (Ecuador), 2017.
Cita MLA (9a ed.)Cabrera Tenecela, Homero Patricio. Unsolved Controversy in the Theory of Systems. Universidad Politécnica Salesiana (Ecuador), 2017.