A. MOHAMMAD, A. Effect of Different Concentrations of Ammonium Nitrate and Potassium Nitrate in Growth and Differentiation of Lettuce Plant (Lactuca sativa L.) and Protein content. Rafidain Journal of Science, [S. l.], v. 18, n. 6, p. 182–195, 2007. DOI: 10.33899/rjs.2007.42521. Disponível em: https://jamh.uomosul.edu.iq/index.php/rsci/article/view/47312. Acesso em: 28 sep. 2025.