Van Thuan Le; Hoang Sinh Le; Xuan Vu Tran; Thi Kieu Ngan Tran; Dang Quang Vo; Bao Chau Tran; Quoc Phu Ngo; Thi Xuan Thuy Le. Removal of Nickel and Methylene Blue from Aqueous Solutions by Steel Slag As a Low Cost Adsorbent. VJSTE 2017, 59, 7-13.