Hoang Lan-Ton That, Thanh Chau-Dinh, & Nguyen Van Hieu. (2019). Improvement on six-node triangular finite element (IT6) using twice-interpolation strategy for linear elastic fracture mechanics. Journal of Technical Education Science, 14(2), 32–40. Retrieved from https://www.jte.edu.vn/index.php/jte/article/view/214