Yadav , B., Sharma, S., Singh, J., Sharma, A., Sareen, R. K., & Shukla, S. K. (2021). CHALLENGES IN EXAMINATION OF WRITINGS ON UNCONVENTIONAL SURFACES . Journal of Forensic Medicine and Toxicology, 37(2), 1-3. https://jfmtonline.com/index.php/jfmt/article/view/118