Akio MATSUMOTO; Keiko NAKAYAMA; Ferenc SZIDAROVSZKY. Study on Environmental Policy for Non-Point Source Pollutions in a Bertrand Duopoly. Insights into Economics and Management Vol. 6, [S. l.], p. 1–14, 2021. DOI: 10.9734/bpi/ieam/v6/6428D. Disponível em: https://stm.bookpi.org/IEAM-V6/article/view/338. Acesso em: 4 jun. 2026.