WASET
    A. Belhaj Mohamed and  M. Saidi and  N. Boucherb and  N. Ourtani and  A. Soltani and  I. Bouazizi and  M. Ben Jrad,  Geochemical Study of Natural Bitumen, Condensate and Gas Seeps from Sousse Area, Central Tunisia.   journal   = {International Journal of Geological and Environmental Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2015, vol. 98(2). 115 - 122
    [viewed 11 May 2024]. Available from: https://publications.waset.org/pdf/10000898.