Giri, R.; Chimouriya, S. P.; Ghimire, B. R. Application of Absorption of Infra-Red Radiation and Reflection Spectra to Distinguish Different Inks of Same Color in Alteration. BIBECHANA 2022, 19 (1-2), 34-39. https://doi.org/10.3126/bibechana.v19i1-2.46380.