Sawai, Nobuhiko, Karu Takara, and Kenichiro Kobayashi. “Evaluation of Water Retention Capacity and Flood Control Function of the Forest Catchment”. Future of Food: Journal on Food, Agriculture and Society 1, no. 1 (February 4, 2019): 13-21. Accessed December 7, 2021. https://thefutureoffoodjournal.com/index.php/FOFJ/article/view/144.