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1981Article of journalPor Ivone, VituliaPublished in 2015Repositorio RIUCaC - Repositorio U. Católica
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1982Article of journalPublished in 2020Repositorio Biblioteca Digital Universidad Externado de Colombia
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1983Article of journalPublished in 2022Repositorio Biblioteca Digital Universidad Externado de Colombia
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1984
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1985Trabajo de grado de pregradoPublished in 2021Repositorio Repositorio Institucional USTA
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1986
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1987Published in 2009Repositorio Repositorio Institucional USTA
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1988articlePublished in 2011Repositorio Repositorio Universidad Javeriana“... and private institutions to attend to client in the framework of the new Social Security law. This law...”
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1989
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1990Published in 2009Repositorio Repositorio Institucional USTA
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1991
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1992Published in 2009Repositorio Universidad Santo Tomás
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1993
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1994
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1995Published in 2008Repositorio Repositorio Universidad de la Sabana
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1996Article of journalPublished in 2014Repositorio Repositorio Institucional UPN
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1997
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1998
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1999
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2000Article of journalPor Hoyos de los Ríos, Olga Lucía; Universidad del Norte; Llanos Martinez, Marina; Universidad del Norte; Valega Mackenzie, Sandra Johana; Universidad del NortePublished in 2011Repositorio Repositorio Universidad Javeriana
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