Phan Thi Uyen Nhung, Le Thanh Huy and Chu Thi Thu Hien 2019. BIOCHAR PRODUCED FROM ANAEROBICALLY DIGESTED SUGARCANE BAGASSE: STRUCTURAL MOPHORLOGY CHARACTERIZATIONS AND APPLICATION TO REMOVE NIKEL CONTAMINANTED WAST WATER. UTEHY Journal of Applied Science and Technology. 22, (Jul. 2019), 42-47.