Prasojo, Ari Budi, Lutfi Hakim, and Achmad Rijanto. “Analisis Efisiensi Boiler Hamada Dengan Direct Dan Indirect Method Di PT Dayasa Aria Prima”. Majamecha 2, no. 2 (December 30, 2020): 103–112. Accessed April 25, 2024. http://ejurnal.unim.ac.id/index.php/majamecha/article/view/907.