Sani, Sadiq, Haruna Abdullahi, and MazojiAbubakar Mansir. 2024. “ONE-STEP CENTRAL COMPOSITE-DESIGNED OPTIMIZATION FOR LEAD (II) IONS ADSORPTION ONTO PRISTINE AND ACID-MODIFIED ORANGE-PEELS FROM SIMULATED WASTEWATER”. FUDMA JOURNAL OF SCIENCES 8 (3), 201 -13. https://doi.org/10.33003/fjs-2024-0803-2499.