de León García D, Jiménez-Valero B, Suarez-Hernandez J, García-Domé AV. Model for the evaluation, classification and improvement of the degree of technological intensity in Cuban companies. Ing. Ind. [Internet]. 2023 May 26 [cited 2026 Nov. 15];44(2). Available from: https://rii.cujae.edu.cu/index.php/revistaind/article/view/1193