Yagi, M., Modawei, widad M. O., & A. A., M. A. (2014). Effect of Nitrogen and Spacing in Growth, Yield and Quality of Celocia cristata. International Journal of Sciences: Basic and Applied Research (IJSBAR), 18(1), 132–142. Retrieved from https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/2704