Willingness to Pay and Factors Affecting the Income of Rice and Corn Farmers in the Use of Superior Seeds in North Raman Sub District: IPB University. Jurnal Ekonomi dan Kebijakan Pembangunan, [S. l.], v. 11, n. 2, p. 161–174, 2022. DOI: 10.29244/jekp.11.2.2022.161-174. Disponível em: https://journal.ipb.ac.id/jekp/article/view/32672. Acesso em: 25 mar. 2026.