Qolbi, G.N. , Gunawan, B. and Sugandi, Y.S. 2023. ALTERNATIF KEBIJAKAN UNTUK FLY ASH AND BOTTOM ASH (STUDI KASUS: PP NO. 22 TAHUN 2021). SCIENTIFIC JOURNAL OF REFLECTION : Economic, Accounting, Management and Business. 6, 3 (Jul. 2023), 502-512. DOI:https://doi.org/10.37481/sjr.v6i3.691.