Hoang Mai, N., and T. van Dung. “THE ANALYSIS OF LOCAL OSCILLATION IN THE GAS TURBINE GENERATOR CONNECTTO POWER GRID SYSTEMS USE LINEAR OBSERVER”. International Journal of Engineering Technologies and Management Research, Vol. 5, no. 2, Feb. 2018, pp. 159-6, doi:10.29121/ijetmr.v5.i2.2018.159.