Takuma Kubohara, and Hiroyuki Ii. “ZN AND FE CONTAMINATION INDEX FOR RIVER USING RIVER INSECTS AND WATER PLANTS IN THE KINOKAWA RIVER CATCHMENT”. GEOMATE Journal 19, no. 75 (November 28, 2020): 76–83. Accessed April 24, 2024. https://geomatejournal.com/geomate/article/view/1132.