Hussein, E.A. and Aqlan, E.M. 2012. Effect of Mannitol and Sodium Chloride on Some Total Secondary Metabolites of Fenugreek Calli Cultured In vitro. Plant Tissue Culture and Biotechnology. 21, 1 (Jan. 2012), 35–43. DOI:https://doi.org/10.3329/ptcb.v21i1.9561.