THERMAL EFFICIENCY ANALYSIS ON THE STEAM POWER PLANT IN NII TANASA BY USING A TWO-SEMESTER DIRECT METHOD WITH A CAPACITY OF 2 x 10 MW La hasanudin, Laode Saefuddin, Agustinus Lolok, Ridway Balaka, Adnal Adnal, Al Ichlas Imran, Kadir Kadir, Abd Kadir, Aminur Aminur Jurnal Fokus Elektroda : Energi Listrik, Telekomunikasi, Komputer, Elektronika dan Kendali) Vol. 4 No. 3 2019 DOI 10.33772/jfe.v4i3.10259