Nguyen Duy Anh, Nguyen Huu Van, & Tran Van Hien. (2022). Study on synthesis of biodegradable polyurea grease using modified vegetable oil. Journal of Military Science and Technology, (FEE), 279–284. https://doi.org/10.54939/1859-1043.j.mst.FEE.2022.279-284