TY - BOOK AU - Khansa Aslam, TI - Comparative efficacy of heavy metal chelating ability of ricinus communis l. and cucurbita pepo l. extract based hydrogels from steel industry wastewater SN - (hbk) U1 - 581.6 PY - 2025/// CY - Lahore PB - Division of Science and Technology, University of Education KW - Heavy Metal--Ricinus Communis--Cucurbita Pepo L.--Hydrogels--industry wastewater ER -