P. Saenjan, S. Junthakosin, D. Tulaphitak, and K. Dejbhimon, “Impact of rice straw addition and soil tillage on density of organic carbon components in paddy soil, the contribution of methane emission into atmosphere and global warming potential”, Asia Pac J Sci Technol, vol. 15, no. 8, pp. 708–717, Apr. 2017.