Attibayeba; Badila, J.-L.; Marie Genevieve, O.-A. Changes in Endogenous Cytokinins and in Vitro Photoperiodic Flowering Induction in Cichorium Intybus L. Pak. J. Nutr. 2010, 9 (3), 230–234. https://doi.org/10.3923/pjn.2010.230.234.