MUHAMMAD ISLAM; FARRUKH SHEHZAD; MUHAMMAD OMAR. Modeling Wheat Productivity using Hierarchical Regression: A way toAddress FoodSecurityConcerns. Elementary Education Online, [S. l.], v. 20, n. 2, p. 1184–1195, 2023. Disponível em: https://ilkogretim-online.org/index.php/pub/article/view/2586. Acesso em: 27 dec. 2024.