1
by Grasa, Rafael
Published 2015
Subjects: '; ...CAMBIO SOCIAL...
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2
3
by Breilh, Jaime
Published 2013
Subjects: '; ...CAMBIO SOCIAL...
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9
by Proaño, Luis E.
Published 1986
Subjects: '; ...CAMBIO SOCIAL...
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13
by Rafael, Correa Delgado
Published 2015
Subjects: '; ...CAMBIO SOCIAL...
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14
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16
by Maldonado Torres, Nelson
Published 2011
Subjects: '; ...CAMBIO SOCIAL...
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17
18
by Bartra, Armando
Published 2013
Subjects: '; ...CAMBIO SOCIAL...
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