Dambatta AA. Simultaneous Detection of Multiple Genuine and Counterfeited ? 500 and ? 1000 Banknotes in a Bunch with Raman Spectroscopy: A Composite Raman Spectra Analysis of Substrate Longer Side. NJTE [Internet]. 2025 Jun. 1 [cited 2026 Sep. 25];21(1). Available from: https://digitalnjte.org/index.php/files/article/view/8