Kooshki, Ali, almassi, morteza, Ghahderijani, Mohammad, Shamloui, Hamidreza (2022) ‘Investigating the most appropriate treatments for ultrasonic duration, temperature and water ratio to the contents of livestock rumen in biogas production (Case study: Khorramabad city slaughterhouse)’, Journal of Environmental Science and Technology, 23(12), pp. 227-242. doi:10.30495/jest.2021.54005.5115