Obsuwan, K., Phuekvilai, P., Yookongkaew, N., Chaneam, S., Wanichacheva, N., Panishkan, K., Piachart, P., Artjinda, P., & Sanmanee, N. (2022). Nitrogen transformation during composting: A comparison of cow manure and mixed cow and pig manure. Science, Engineering and Health Studies, 16, 22030013. https://doi.org/10.14456/sehs.2022.57