@article{Marsal_2020, title={Intangible assets that add tangible value and their relationship to the economic efficiency and financial performance of a Cuban enterprise}, volume={4}, url={http://dx.doi.org/10.22161/ijebm.4.5.1}, DOI={10.22161/ijebm.4.5.1}, number={5}, journal={International Journal Of Engineering, Business And Management}, publisher={AI Publications}, author={Marsal, Naivi Montané}, year={2020}, pages={73–81} }