Oliveira RC, Monteiro da Hora HR, Azevedo Filho ET, Nader GL, de Carvalho RA. Public policies and technological innovation in Brazil’s oil and gas industry: a patent perspective. fuen [Internet]. 2025 Mar. 17 [cited 2026 Aug. 30];4(2):23-34. Available from: https://fupubco.com/fuen/article/view/277