Al-Yasiri, K. A. ., Khudair , T. Y. . and Abdul Albbas, F. A. . (2019) “The Effect of Vitamin B3 and Humic Acid on Flowering Traits and Roots Growth of Geranium Pelargonium hortorum L”., Basrah Journal of Agricultural Sciences, 32, pp. 126–133. doi: 10.37077/25200860.2019.262.