Khalaf Ahmed Abdullah, Khalid Khazal Hummadi. Removal of Copper from Aqueous Solution Using Raw Cowpea Husk, And Cowpea Husk Coated With Zinc Oxide Nanoparticle Adsorbent. Annals of RSCB [Internet]. 2022Nov.11 [cited 2024Apr.23];26(01):3380-411. Available from: https://annalsofrscb.ro/index.php/journal/article/view/11436