WASET
    Shilpesh R. Rajpurohit and  Harshit K. Dave,  Tensile Properties of 3D Printed PLA under Unidirectional and Bidirectional Raster Angle:  A Comparative Study .   journal   = {International Journal of Materials and Metallurgical Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2018, vol. 133(1). 6 - 11
    [viewed 17 April 2024]. Available from: https://publications.waset.org/pdf/10008477.