Wachirawit Tungtananuwat. (2021) Paper spray mass spectrometry: A new rapid confirmation method for methamphetamine. <i>Interdisciplinary Research Review (IRR)</i>, <i>16</i>(1), 1-4.Wachirawit Tungtananuwat. "Paper spray mass spectrometry: A new rapid confirmation method for methamphetamine". Interdisciplinary Research Review (IRR) 16 (2021):1-4.Wachirawit Tungtananuwat. Paper spray mass spectrometry: A new rapid confirmation method for methamphetamine. Phetchaburi Rajabhat University:ม.ป.ท. 2021.