Authors: Hoang Thi Ngoc Nhon, Nguyen Ngoc Thu, Le Thi Hong Anh*
Pages: 1-8
Authors: Nga Luong Hong, Thuy Vu Thi Thu, Bang Luong Van, Nam Vu Hoang, Anh Ngo Thi Hoai, Khoi Nguyen Truong, Son Vu Hong*
Pages: 9-16
Authors: Nguyen Hai Van, Nguyen Ba Thu Uyen, Dang Thi Phuong Thao, Nguyen Tien Cuong*
Pages: 17-23
Authors: My Nguyen Thi Tra, Anh Nguyen Ha, Van Nguyen Hai, Nga Luong Hong, Ha Ho Phu*, Nguyet Nguyen Thi Nhu, My Nguyen Ha
Pages: 24-31
Authors: Tran Thi Thanh Hoa*, Le Tuan Phuc, Pham Ngoc Hung, Lai Quoc Dat, Hoang Quoc Tuan, Nguyen Hoang Dzung, Cung Thi To Quynh
Pages: 32-43
Authors: Doan Duy Le Nguyen *, My Phung Huynh Diep , Quoc Cuong Nguyen
Pages: 44-50
Authors: Than Van Hau, Vu Tue Minh, Dinh Duy Nham, Tran Huy Trong, Tran Quang Tung, Tran Thi Thuy*
Pages: 51-58
Authors: Tran Thi Thu Hien*, Nguyen Sy Long
Pages: 59-65
