Minh Chau, Nguyen, 		Thanh Dong, Pham, 		Minh Viet, Nguyen, 		Dinh Khai, Do, 		Thi Thuy, Nguyen, 		Thi Phong Huong, Trinh, 		Duc Khanh, Tran, 		Ha Giang, Vu, AND 		Van Ha, Hoang.
" Investigate the Water Activity  of Different Solutions According to Solute Concentration  for Preparing Wet Filtration Solution" <em>VNU Journal of Science: Earth and Environmental Sciences</em> [Online], Volume 38 Number 3 (26 September 2022)