YAGANA B. ABBA, FATIMAH M. KNTAPO, and JULIANA B. GAMBO, “ADSORPTIVE REMOVAL OF METHYL ORANGE DYE USING BIOCHAR PREPARED FROM HIBISCUS FLOWER JUICE RESIDUE”, TIJSRAT, vol. 8, no. 9, Jun. 2025, doi: 10.70382/tijsrat.v08i9.044.