Arafa, N. M., Ibrahim, M. M. and Aly, U. I. (2016) “Evaluation of Total Phenolic Contents and Antioxidant Activity of Carrot Callus Extracts as Affected by Phenylalanine Precursor”, Plant Tissue Culture and Biotechnology, 25(2), pp. 207–221. doi: 10.3329/ptcb.v25i2.26255.