Ngọc Minh, T., N. Anh, D. Quoc Tuan, and B. Tuan Anh. “RESOURCE RESERVATION SERVICE ON PORTABLE BATCH SYSTEM”. Science and Technology Development Journal, Vol. 10, no. 13, Dec. 2007, pp. 12-17, doi:https://doi.org/10.32508/stdj.v10i13.2860.