Marzroud, A. P., laleh, F., & Choupani, N. A. (2018). Characterization of Fracture Toughness of Acrylic Denture Base Materials Using Modified Arcan Specimen Test. International Journal of Engineering & Technology, 7(2.13), 237-239. https://doi.org/10.14419/ijet.v7i2.13.12670