Mulya Ivana , Shelvya, and Mulyadi Abdul Wahid. 2022. “ EMANFAATAN ILTRASI ULTIMEDIA ALAM ENGOLAH IR AYAU I ESA OSONG ELAGA ARAT ABUPATEN CEH INGKIL ”. ingkar: ournal of nvironmental ngineering 2 (1), 16-28. https://doi.org/10.22373/ljee.v2i1.1865.