V. T. G. Nguyen, T. N. M. Nguyen, L. N. G. Nguyen, and V. D. Nguyen, “STUDY ON THE SITUATION OF EXPANDED VACCINATION IN 2-YEAR-OLD CHILDREN AND MOTHERS’ KNOWLEDGE ABOUT EXPANDED VACCINATION IN GO CONG TAY DISTRICT, TIEN GIANG PROVINCE IN 2021”, ctjmp, no. 4, pp. 115–123, Oct. 2022.