Development and incentives for mature provinces, mature fields, marginal fields and marginal accumulations: case studies on Nigeria, Angola and Brazil - Pereira, Eduardo Guedes; Balliram, Shiva; Oliver, Isis Nefertari; Ramdeen, Samantha Andrea; Nwedu, Cosmos Nike; Costa, Hirdan Katarina de Medeiros; Souza, Nathália de Oliveira; Galatro, Lucca (The Journal of Sustainable Development Law and Policy, 2025)