Hai, D. T. T., Tai, D. C., Nhan, H. T., & Gogatov, A. (2013). Synthesis of polymerisation inhibitor by modifying kraft-lignin with the mixture of natrium nitrite and natrium nitrate. Petrovietnam Journal, 4, 42-47. Retrieved from https://pvj.vn/index.php/TCDK/article/view/658