Le, P. N., Nguyen, T. A. T., Luong, N. T., Nguyen, V. H., Nguyen, H. T., & Nguyen, S. (2015). Nickel recovery from spent catalyst of Phu My Fertilizer Plant to prepare environmental catalyst for treatment of CO and C3H6. Petrovietnam Journal, 7, 40 - 48. Retrieved from http://www.pvj.vn/index.php/TCDK/article/view/605