Punniyamoorthy, R. et al. 2018. Growth and Characterization of Bisthiourea Lithium Sodium Sulphate: A Novel Semiorganic Nonlinear Optical Single Crystals. Asian Journal of Chemistry. 30, 12 (Oct. 2018), 2731–2736. DOI:https://doi.org/10.14233/ajchem.2018.21572.