Rahmawati, Silvya Dewi, Tasmi Tasmi, Pudjo Sukarno, Agus Yodi Gunawan, Edy Soewono, Septoratno Siregar, and Edward L. Tobing. 2020. “A Mathematical Model of Intermittent Gas Lift in Elevation-Production Operation With Line-Pack and Line-Drafting Phenomena in a Gas Line”. Journal of Earth Energy Engineering 9 (2):88-101. https://doi.org/10.25299/jeee.2020.5264.