Samrat Singh, T., Sumitra, C. and David Singh, T. (2022) “Comparative 4f-4f Spectral Analysis of Simultaneous Complexation of Pr(III) with L-Tryptophan in Presence and Absence of Ca2+ and Zn2+ Ions in Aqueous Medium: Energy, Intensity and Kinetic Studies”, Asian Journal of Chemistry, 34(12), pp. 3183–3188. doi: 10.14233/ajchem.2022.24000.