- Koutarou, Akagi., Seigo, Uemoto., Harada, Hiroyuki., Oura, Seichiro., Biswas, Biplob Kumar., Watari, Takanori., Mitoma, Yoshiharu. (2024). Simultaneous solidification of potassium and phosphorus using rice straw charcoal and saturated phosphorus adsorbent. International Journal of Recycling of Organic Waste in Agriculture, 4(2), 67 - 72, https://doi.org/10.1007/s40093-015-0086-2