MarouÅ¡ek, J., M. MyÅ¡ková, and ŽákJ. “Managing Environmental Innovation: Case Study on Biorefineryconcept”. Rev. Téc. Fac. Ing. Univ. Zulia, Vol. 38, no. 3, Dec. 2015, http://www.produccioncientifica.luz.edu.ve/index.php/tecnica/article/view/20445.