Singarimbun, A., Gaffar, E.Z. and Tofani, P. 2017. Modeling of Reservoir Structure by Using Magnetotelluric Method in the Area of Mt. Argopuro, East Java, Indonesia. Journal of Engineering and Technological Sciences. 49, 6 (Dec. 2017), 833-847. DOI:https://doi.org/10.5614/j.eng.technol.sci.2017.49.6.9.