The Use of Natural Polymers to Enhance Oil Recovery Muhammad Taufiq Fathaddin, Fajri Maulida, Valentyn Paul Bodywein Hattu, Baiq Maulinda Ulfah, Mohamad Obby Adianto and Rozi Afdi E3S Web Conf., 500 (2024) 03025 Published online: 11 March 2024 DOI: 10.1051/e3sconf/202450003025