Fialho J, Godinho P, Costa JP, Afonso R, Regalado JG. A Level-Based Approach to Prioritize Telecommunications R&D. JTIT [Internet]. 2008 Dec. 30 [cited 2026 Jun. 13];34(4):40-6. Available from: https://www.jtit.pl/jtit/article/view/896