Maulina, W.; Habibah, P. S.; Arkundato, A.; Syarifah, R. D.; Sulistiyo, Y. A.; Sukmawati, N. OPTIMIZING THE CARBONIZATION TEMPERATURE OF WATER HYACINTH BIOCHAR BY PROXIMATE ANALYSIS USING RESPONSE SURFACE METHODOLOGY. IPR 2024, 8, 117-132.