Fourier Transform Infrared (FTIR) Spectroscopy with Chemometric Techniques for the Classification of Ballpoint Pen Inks. AJFSFM [انترنت]. 15 ديسمبر، 2015 [وثق 6 نوفمبر، 2026];1(2). موجود في: https://journals.nauss.edu.sa/AJFSFM/article/view/113