RODRIGUES, Bela; SILVA, André Almeida; DA SILVA, Gabriel Francisco. Prospecting papers and patents of gas lift valves technology. International Journal for Innovation Education and Research, Dhaka, Bangladesh, v. 9, n. 9, p. 158–168, 2021. DOI: 10.31686/ijier.vol9.iss9.3325. Disponível em: https://scholarsjournal.net/index.php/ijier/article/view/3325.. Acesso em: 18 may. 2024.