[1]
N. Hiền, “GGEBIPLOT VÀ NGÔN NGỮ R”, VJASVN, vol. 11, no. 8, pp. 1164–1169, May 2024, Accessed: Feb. 06, 2026. [Online]. Available: https://vie.vjas.vn/index.php/vjasvn/article/view/79