“... the Northern border of Coahuila. In view of the loss of the relationship between the salary and the cost...”
Testu osoa

“...This study has the objective to analize the bovine livestock in the North region of Coahuila...”
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“...The article sustains that, in North Coahuila, during xix century, the new population centers were...”
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“... Ciénegas in the state of Coahuila has been widely studied; however, studies on the populations of Artemia...”
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“...This paper analyzes the importance that has the agricultural sector in the Coahuila economy...”
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“... builds a smelting plant in the city of Piedras Negras, Coahuila, to respond to their necessities...”
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“... with the probability of being poor are: living in Coahuila, Tamau­lipas or Chihuahua, size of the household, being...”
Testu osoa