WASET
    M. O. Ezegbogu and  H. B. Osadolor,  Comparative Forensic Analysis of Lipsticks Using Thin Layer Chromatography and Gas Chromatography.   journal   = {International Journal of Chemical and Molecular Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2019, vol. 149(5). 231 - 235
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/10010430.