Valentina Anne Lopez และผู้แต่งคนอื่นๆ. (2020) A study of microbial distribution and cell phone hygiene awarenessat Universiti Malaysia Kelantan, Jeli Campus. <i>Songklanakarin Journal of Science and Technology</i>, <i>42</i>(1), 65-72.Valentina Anne Lopez และผู้แต่งคนอื่นๆ. "A study of microbial distribution and cell phone hygiene awarenessat Universiti Malaysia Kelantan, Jeli Campus". Songklanakarin Journal of Science and Technology 42 (2020):65-72.Valentina Anne Lopez และผู้แต่งคนอื่นๆ. A study of microbial distribution and cell phone hygiene awarenessat Universiti Malaysia Kelantan, Jeli Campus. Research and Development Office, Prince of Songkla University:ม.ป.ท. 2020.