SANGWA, Sixbert, and Boniface Karasira. “Beyond the Import-Cost Wedge: Rice Import Affordability, Domestic Competitiveness, and Stewardship-Oriented Value-Chain Upgrading in Rwanda”. Open Journal of Stewardship Economics & Ethical Innovation (ISSN: 3105-3068), vol. 2, no. 1, Apr. 2026, https://doi.org/10.65655/OpenChristianPress.2026.109.