Yaquby, A.M. et al. 2022. Effects of Plant Growth Regulators on Quality, Quantity and Vase-life of Rose flower (Rosa hybrida cv. Avalanche). Journal of Humanities and Social Sciences Studies. 4, 3 (Aug. 2022), 206–212. DOI:https://doi.org/10.32996/jhsss.2022.4.3.20.