Perera, PCD. “Preservation of Exacum Ritigalensis (Binara Ginihiriya) Flower Using Glycerin: Preservation of Exacum Ritigalensis (Binara Ginihiriya) Flower Using Glycerin”. B.R. Nahata Smriti Sansthan Agricultural Extension Journal (AEXTJ), vol. 1, no. 6, Jan. 2018, doi:10.22377/aextj.v1i6.43.