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Publicación Sólo datos La comunicación como estrategia de diferenciación competitiva(Universidad de los Llanos, 2022-01-17) Zevallos Oscco, Yosselin; Collado Vargas, Juan Alberto; Tito Huamani, Pedro LeonardoProblematic: Competitiveness in the market follows a growing trend due to global phenomena that have implications for the organizational scenario. In this context, organizational communication comes into play as a tool for adapting to these changes. Although there are important studies on the subject, the favorable impact of organizational communication is still not fully recognized in many countries. In that way, it’s necessary to continue to deepen and delimit the field of study. Objectives: Analyse the importance of both internal and external communication to identify strategies that can be used as a competitive differentiator for the company. Materials and methods: This is exploratory research with a qualitative approach through a structured and rigorous review of high-impact articles, academic repositories, among others. Results: The results show that there is little research on the subject carried out in our region, mainly from European and Asian countries; furthermore, most of the scientific articles taken as primary sources are of the Q1 and Q2 category. On the other hand, the number of articles on the subject has increased after COVID-19 confinement. Discussion: It became evident that communication is indeed a strategic management tool that influences brand positioning through competitive differentiation, thus contributing to the co-creation of values in all contexts and with the different stakeholders. Conclusions: Communication in its various dimensions is a priority for optimal organizational development and, due to the pandemic, is taking on the challenge and responsibility to redefine itself. Contribution/originality: It is hoped to continue contributing to the field of study and to generate proposals aimed at improving organizational communication in any type and size of the company.Publicación Sólo datos Editorial(Universidad de los Llanos, 2018-06-30) Roa Vega, María LigiaPublicación Sólo datos Índices de refracción y densidad de mezclas binarias de heptano con ciclohexano, benceno y tolueno a 293.15, 298.15, 303.15 y 308.15 K(Universidad de los Llanos, 2011-01-01) Martínez-Reina, Marlon D.; Amado-González, EliseoTitulo en ingles: Refraction indexes and density for binary mixtures of heptane with cyclohexane, benzene and toluene at 293.15, 298.15, 303.15KTitulo en portugues: Índices de refração e densidade de misturas binárias de heptano com ciclo-hexano, benzeno e tolueno a 293.15, 298.15, 303.15 e 308.15 KResumen: Se midieron densidades e índices de refracción de mezclas binarias de ciclohexano, benceno y tolueno con heptano a (293.15, 298.15, 303.15 y 308.15) K. El volumen de exceso molar () y el cambio de índice de refracción (dhD) son calculados desde los datos experimentales y ajustados con una ecuación polinomial de Redlich-Kister de orden cuatro.Palabras clave: cambio de índice de refracción, volumen de exceso molar, ecuación de Redlich-Kister, mezclas binarias, hidrocarburos.Abstract: Density and refraction indexes for binary mixtures of cyclohexane, benzene and toluene with heptane (293.15, 298.15, 303.15 and 308.15 K) were measured. Excess molar volume () and refraction index change (dhD)were calculated from experimental data and adjusted with a fourth-order Redlich-Kister polynomial equation.Key words: refraction index change, excess molar volume, Redlich-Kister equation, binary mixture, hydrocarbon.Resumo: Determinam-se densidades e índices de refração de misturas binárias de ciclo-hexano, benzeno e tolueno com heptano a (293.15, 298.15, 303.15 e 308.15) K. Se calcularem os volumes de excesso molar () e o cambio do índice de refração (dhD) a partir dos dados experimentais e ajustados à uma equação polinomial de Redlich-Kister de ordem quatro.Palavras chave: Cambio do índice de refração, volumes de excesso molar, equação de Redlich-Kister, misturas binárias, hidrocarbonetos.