GUPTA, Vinayak; SINGH, Gurpreet; SAINI, Komal. Determination of the Age of Gel Pen Inks on Handwritten Documents using Gas Chromatography-Mass Spectrometry and Chemometrics. Journal of Forensic Document Examination, [S. l.], v. 32, n. 1, p. 17–24, 2024. DOI: 10.31974/jfde32-17-24. Disponível em: https://jfde.org/index.php/jfde/article/view/8755. Acesso em: 10 dec. 2024.