Sherliyana Anggraini, & Andi Lesmana. (2021). POTENSI PENGOLAHAN LIMBAH SALAK PONDOH DIKABUPATEN ROKAN HULU: POTENTIAL FOR TREATMENT OF SALAK PONDOH WASTE IN ROKAN HULU DISTRICT . Hirarki : Jurnal Ilmiah Manajemen Dan Bisnis, 3(3), 383–391. https://doi.org/10.30606/hirarki.v3i3.1450