Dewi, R. G., Zunita, M., Priyadi, P. A., Sitompul, M. D., Shabrina, A. N., Akhiroti, F. I., & Sitompul, J. (2021). Production of Biodegradable Sulfonated Methyl Ester by a Falling Film Reactor for ASP Flooding in EOR. Journal of Engineering and Technological Sciences, 53(1), 210107. https://doi.org/10.5614/j.eng.technol.sci.2021.53.1.7