L. V. Tran, T. Nguyen, and J. Niiranen, “Strain gradient elasticity theory and its application to lattice beam structures”, Journal of Transportation Science and Technology (JTST), vol. 10, no. 2, pp. 146–152, Feb. 2022, Accessed: May 10, 2026. [Online]. Available: https://tst.ut.edu.vn/index.php/jtst/article/view/166