Labella, R.C., Parras Ro, M., Eva María, F.F. and Armenteros, M. 2017. Certification of Quality as a Forerunner of Environmental Sustainability Standards Adoption in the Olive Oil Production Industry. European Journal of Sustainable Development. 6, 4 (Oct. 2017), 195. DOI:https://doi.org/10.14207/ejsd.2017.v6n4p195.