Nuzlinda Abdul Rahman and  Syerrina Zakaria,  The Household-Based Socio-Economic Index for Every District in Peninsular Malaysia.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    October 2012, vol. 70(10). 1389 - 1395
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/2956.