Purnama, Dita Putri, et al. “ Extraction of Green Grass Jelly Leaves As An Alternative Biopolymer in Polymer Flooding”. Journal of Applied Engineering and Technological Science (JAETS), vol. 5, no. 1, Dec. 2023, pp. 387-00, https://doi.org/10.37385/jaets.v5i1.3019.