Puspasari, Happy ayu, Al Dina Khoerunisa NM, Christian Soolany, Christian Soolany, and Arief Ameir Rahman Setiawan. 2025. “The Pineapple Peel Filtrate With Chelation Method to Adsorp Chromium (Cr) Heavy Metal : Filtrat Kulit Nanas Untuk Adsorpsi Logam Berat Kromium (Cr) Menggunakan Metode Khelasi”. RATIH: JURNAL REKAYASA TEKNOLOGI INDUSTRI HIJAU 10 (1), 24-32. https://doi.org/10.52802/ratih.v10i1.1723.