T. , Jassam Q.; ALI, E. H.; GHAYLAN, M. S. ESTIMATING FACTORS AFFECTING WHEAT MARKETING EFFICIENCY USING TOBIT MODEL. IRAQI JOURNAL OF AGRICULTURAL SCIENCES, [S. l.], v. 53, n. 4, p. 941–949, 2022. DOI: 10.36103/ijas.v53i4.1606. Disponível em: https://jcoagri.uobaghdad.edu.iq/index.php/intro/article/view/1606.. Acesso em: 3 may. 2024.