TEREFE, A. T.; AHMED, M. H. DRIVING FORCE OF ORGANIC FERTILIZER USE IN CENTRAL RIFT VALLEY OF ETHIOPIA: INDEPENDENT DOUBLE HURDLE APPROACH. Economics of Agriculture, [S. l.], v. 63, n. 4, p. 1265–1279, 2016. DOI: 10.5937/ekoPolj1604265T. Disponível em: https://www.ea.bg.ac.rs/index.php/EA/article/view/158. Acesso em: 5 may. 2024.