Barrier Options Model for Agricultural Commodity Price Protection. Jurnal Varian, [S. l.], v. 4, n. 1, p. 71–78, 2020. DOI: 10.30812/varian.v4i1.856. Disponível em: https://journal.universitasbumigora.ac.id/Varian/article/view/856. Acesso em: 20 aug. 2025.