Thi Thanh Thuy, P.; Thuy Linh, T.; Thi Hong Nhung, N. AN INVESTIGATION INTO ENGLISH VOCABULARY AND LEXICAL ACTIVITIES IN “GLOBAL SUCCESS” ENGLISH TEXTBOOKS (GRADE 3, 6, 10). HNUE Journal of Science: Educational Science 2025, 70 (4), 97-105. https://doi.org/10.18173/2354-1075.2025-0073.