Kerven, Carol; Robinson, Sarah; Behnke, Roy (2021). «Pastoralism at Scale on the Kazakh Rangelands: From Clans to Workers to Ranchers». Frontiers in Sustainable Food Systems4. ISSN2571-581X. doi:10.3389/fsufs.2020.590401.
Johnson, K. A.; Johnson, D. E. (1995). «Methane emissions from cattle». Journal of Animal Science73 (8): 2483-92. PMID8567486. doi:10.2527/1995.7382483x.
Kevina. «Veinticinco mil». historialib. Consultado el 11 de enero de 2024.
issn.org
portal.issn.org
Kerven, Carol; Robinson, Sarah; Behnke, Roy (2021). «Pastoralism at Scale on the Kazakh Rangelands: From Clans to Workers to Ranchers». Frontiers in Sustainable Food Systems4. ISSN2571-581X. doi:10.3389/fsufs.2020.590401.
Johnson, K. A.; Johnson, D. E. (1995). «Methane emissions from cattle». Journal of Animal Science73 (8): 2483-92. PMID8567486. doi:10.2527/1995.7382483x.