L. J. Fei and  D. Sujan,  Origami Theory and Its Applications: A Literature Review.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    January 2013, vol. 73(1). 229 - 233
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/1557.