Saenjan, Patcharee, Sophoanrith Ro, and Patma Vityakon. 2015. “Methane Fluxes and Rice Yields As a Function of Sulfate Fertilizer With Incorporated Rice Stubble”. Asia-Pacific Journal of Science and Technology 20 (3):337-45. https://doi.org/10.14456/kkurj.2015.28.