Giri, R., Bhattarai, P., Chimouriya, S. P., & Ghimire, B. R. (2021). Examination of Security Features in Nepali Currency of Denomination Rs. 500 and Rs. 1000 Using Video Spectral Comparator-6000. Journal of Nepal Physical Society, 7(4), 36–42. https://doi.org/10.3126/jnphyssoc.v7i4.42929