Yuliansyah, Ahmad Tawfiequrrahman, Bardi Murachman, and Suryo Purwono. 2021. “Mathematical Model for Water Flooding and HPAM Polymer Flooding in Enhanced Oil Recovery”. ASEAN Journal of Chemical Engineering 21 (1), 136-44. https://dev.journal.ugm.ac.id/v3/AJChE/article/view/9172.