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Suraida, Suraida, Boby Syefrinando, Alfian Alfian, & Fistoni Fistoni. " Analysis of Lead (Pb) and Cadmium (Cd) in water spinach (Ipomoea aquatica Forks.) in a swamp with domestic wastewater." Jurnal Biologi Udayana [Online], 25.2 (2021): 130-136. Web. 9 Apr. 2026