Giri, R., S. P. Chimouriya, and B. R. Ghimire. “Application of Absorption Spectra to Study Order of Sequence in Intersecting Printed and Pen Strokes”. Journal of Nepal Physical Society 8, no. 3 (December 30, 2022): 1–8. Accessed November 21, 2024. https://nepjol.info./index.php/JNPhysSoc/article/view/50696.