HIGHLY RECYCLABLE EDTA-CROSSLINKED CHITOSAN-GELATIN BIOPOLYMER ADSORBENT FOR SEPARATION AND RECOVERY OF RARE EARTH ELEMENTS FROM AQUEOUS SOLUTION СтатьяVerma Monu, Sachan Deepa, Dhatwalia Vinod Kumar, Ahmad Waseem, Sharma Nishesh, Kim Hyunook WookFrontiers of Environmental Science and Engineering. Том 19. 2025.