About the Authors
- Guillermo Foladori
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* E-mail: fola@estudiosdeldesarrollo.net
Affiliation Universidad Autonoma de Zacatecas, Zacatecas, Mexico
- Noela Invernizzi
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Affiliation Universidad Autonoma de Zacatecas, Zacatecas, Mexico
Competing Interests
The authors have declared that no competing interests exist.