Ayédjo Atin Valentin, Tassou Filkibirou Zakari et Afouda Jacob Yabi 2026. Warrantage and maize productivity in northern Benin: Evidence from a Seemingly Unrelated Regression (SUR) model. African Scientific Journal. 3, 37 (août 2026), 1858 . DOI:https://doi.org/10.5281/zenodo.22014154.