Feby Taufiqu Rahmah, Nur Indah Mukhoyyaroh. The Effect Of Adding Iron Powder Waste On Soil Carrying Capacity Case Study Of Soil In Kedungpring District. Scientia [Internet]. 2024Jul.15 [cited 2025Sep.13];13(03):367-75. Available from: http://seaninstitute.org/infor/index.php/pendidikan/article/view/2508