A. Yavar and  S. Sarmani and  K. S. Khoo,  Appraisal of Trace Elements in Scalp Hair of School Children in Kandal Province, Cambodia.   journal   = {International Journal of Medical and Health Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2023, vol. 202(10). 231 - 240
    [viewed 27 April 2024]. Available from: https://publications.waset.org/pdf/10013270.