Altab Hossain and  Ataur Rahman and  A.K.M. P. Iqbal and  M. Ariffin and  M. Mazian,  Drag Analysis of an Aircraft Wing Model withand without Bird Feather like Winglet.   journal   = {International Journal of Aerospace and Mechanical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2011, vol. 57(9). 1887 - 1892
    [viewed 18 April 2024]. Available from: https://publications.waset.org/pdf/5593.