Marganingrum, D., Irawan, C., Mursito, A. T., Estiaty, L. M., Listiyowati, L. N., Arifin, D. N. and Hidawati (2021) “The Economic Assessment on Bottom Ash Utilizing as The Bio Coal Fuel”, Jurnal Ekonomi dan Pembangunan, 29(1), pp. 27-40. doi: 10.14203/JEP.29.1.2021.27-40.