DUWIEJUAH AB, AHMED NA, AMADU Y. SIMULTANEOUS REMOVAL OF NITRATE AND PHOSPHATE FROM KITCHEN WASTEWATER USING GROUNDNUT HUSK BIOCHAR. gjs [Internet]. 2026 Sep. 17 [cited 2026 Sep. 21];67(1):30-8. Available from: https://www.ajol.info/index.php/gjs/article/view/335955