Siddique, MNA, N Sultana, MA Haque, MM Hossain, and JU Ahmed. 2008. “Effects of Twin Scale Size and Hormones on In Vitro Propagation of Hippeastrum (<i>Hippeastrum hybridum</I>)”. Plant Tissue Culture and Biotechnology 16 (2):105-10. https://doi.org/10.3329/ptcb.v16i2.1111.