Khan, S. R., et al. “Studies in the Measurements of Refractive Index of Substituted Thio-Carbamidonapthols In 100% & 90% Binary Mixtures of 70% Etoh-H2O Mixture at 298.15 K”. Asian Journal of Pharmaceutical Research and Development, vol. 12, no. 1, Feb. 2024, pp. 15-18, doi:10.22270/ajprd.v12i1.1346.