1.
Saavedra DP, Fuente MDL, Fernandez XL, Millan PC. R&D investment: A dynamic efficiency approach in the EU countries . 29 [Internet]. 2024 Aug. 13 [cited 2025 Jan. 6];11(3):221-3. Available from: https://archive.conscientiabeam.com/index.php/29/article/view/3865