|
1.
|
Academy Journals Public Knowledge Project under the GNU General Public License
|
|
2.
|
Web of Knowledge Thomson Reuters
|
|
3.
|
International Union for conservation of Nature Library International Union for Conservation of Nature - Ramsar Convention on Wetlands - United Nations Environment Programme World Conservation Monitoring Centre
|
|
4.
|
The land classification system of the San Nicolás Zoyatlán (S Mexico) nahuatl indigenous community: A basis for a suitable parametric soil use proposal Cervantes-Gutiérrez, V - Gama-Catro, JE - Hernández-Cárdenas, G - Meave del Castillo, Jorge Arturo
|
