Optimization of Aloe vera Coagulant Using Response Surface Methodology for Reduce Turbidity and Color in Martapura River WaterNova Annisa, Annisa Rahmadina, Rijali Noor, Rony Riduan, Asep Nurohmat Majalis and Hafiizh PrasetiaE3S Web Conf., 655 (2025) 01007DOI: https://doi.org/10.1051/e3sconf/202565501007