YAGI, Mahmoud; MODAWEI, Widad M. O.; A. A., Mohammed Almubarak. Effect of Nitrogen and Spacing in Growth, Yield and Quality of Celocia cristata. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 18, n. 1, p. 132–142, 2014. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/2704. Acesso em: 1 apr. 2026.