V. M. Đỗ, X. S. Bui Xuan, V. H. Nguyễn, X. C. Lê, and T. Én Phạm, “Determining the projectile’s mass to ensure the ballistic characteristics of 9 × 19 mm frangible bullets”, JMST, vol. 92, no. 92, pp. 144–150, Dec. 2023.