Adhi, P., Kamal, D., Muslimin, M., Vilcu, A., Kondo, M. and Takahashi, M. (2020) “Measurement of Oxygen Concentration in Static and Flowing Liquid Pb-Bi by Using Zirconia Based Sensor”, Indonesian Journal of Physics, 31(1), pp. 1 - 9. doi: 10.5614/itb.ijp.2020.31.1.1.