WASET
    N. Esa and  M. A. Samsuddin and  N. Yakob and  H. M. Yunus and  M. H. Ibrahim,  Measuring Awareness of Waste Management among School Children using Rasch Model Analysis.   journal   = {International Journal of Educational and Pedagogical Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2012, vol. 68(8). 2085 - 2088
    [viewed 23 April 2024]. Available from: https://publications.waset.org/pdf/3489.