Oo, Aung Zaw, Khin Thuzar Win, Tadashi Yokoyama, Takashi Motobayashi, and Shigeto Sudo. 2019. “Effects of 18 Yr of Repeated Manure and Mineral Fertilizer Applications on Soil Properties, Crop Yield and Their Plot Scale Spatial Distribution”. Agriculture and Natural Resources 53 (6). Bangkok, Thailand:643–651. https://li01.tci-thaijo.org/index.php/anres/article/view/232631.