“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, vol. 8, no. 3, June 2024, pp. 201-13, https://doi.org/10.33003/fjs-2024-0803-2499.