TY - BOOK AU - Hafiza Shaheera Zeeshan, TI - Characterization of calotropsis procera l. extract based hydrogel for heavy metals chelation ability from waste water of paint industry SN - (hbk) U1 - 581.6 PY - 2025/// CY - Lahore PB - Department of Botany, Bank Road Campus, University of Education, Lahore KW - Hydrogel --Heavy --Metals --Paint --Industry ER -