Yuga Artika Yuanita, YUGA (2015) Keefektifan Dosis Pac (Poly Aluminium Chloride) Terhadap Penurunan Kadar Tss (Total Suspended Solid) Limbah Industri Penyamakan Kulit Magetan. Skripsi thesis, Universitas Muhammadiyah Surakarta.