Santosa, João Filipe, and Margarida Catalão-Lopes. “Does R&Amp;D Matter for Economic Growth or Vice-Versa? An Application to Portugal and Other European Countries”. Archives of Business Research 2, no. 3 (June 30, 2014): 1–17. Accessed April 27, 2024. https://journals.scholarpublishing.org/index.php/ABR/article/view/194.