Edward Lim,  Benefits and Issues of Open-Cut Coal Mining on the Socio-Economic Environment - The Iban Community in Mukah, Sarawak, Malaysia .   journal   = {International Journal of Economics and Management Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2007, vol. 1(1). 29 - 31
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/8615.