Chandra, Steven, Prasandi Abdul Aziz, Wijoyo Niti Daton, and Muhammad Rizki Amrullah. 2021. “Risk Mitigation and Mapping on Tubular System During Microbial Huff and Puff Injection Coupled With Lean Six Sigma Approach at Field X”. Journal of Petroleum and Geothermal Technology 2 (2):38-54. https://doi.org/10.31315/jpgt.v2i2.4902.