Research Paper

• Impact of Covid 19 on Ecuadorian tour guides

  Carolina Rivas

  1-6

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  Abstract 680 | PDF (Español (España)) 623 | DOI: https://doi.org/10.46480/esj.4.2.67
• Determination of load in fittings Home Systems “k”

  Néstor Silverio, Holger Benavides Muñoz

  7-11

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  Abstract 135 | PDF (Español (España)) 357 | DOI: https://doi.org/10.46480/esj.4.2.58
• Use of Streeter-Phelps Model to estimate the dissolved oxygen of the Utcubamba River

  Lenin Quiñones Huatangari, Manuel Emilio Milla Pino, Oscar Andrés Gamarra Torres, Rolando Salas López, José Federico Bazán Correa

  12-16

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  Abstract 304 | PDF (Español (España)) 343 | DOI: https://doi.org/10.46480/esj.4.2.59
• Directions of Production Planning & Production Control System: Mathematical Evolution from the Flexibility Point of View

  Ajay Kumar Agarwal, Rakesh Kumar

  17-24

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  Abstract 90 | PDF 83 | DOI: https://doi.org/10.46480/esj.4.2.68
• Ergonomic application of virtual anthropometric mannequins in industrial environments

  Sara Hernandez-Sandoval, Ismael Mendoza-Muñoz, Carlos Navarro-Gonzalez, Alvaro González-Ángeles

  25-29

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  Abstract 180 | PDF 91 | DOI: https://doi.org/10.46480/esj.4.2.71
• Characterization of the abuse in the students population in a public Ecuadorian university

  Diana Victoria Moreira-Vera, Jorge Cañarte-Alcívar, Francisco Mendoza Moreira, Irina Patricia Mera-Flores, Edgar Antonio Menéndez Cuadros, Ronny Richard Mera-Flores

  30-36

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  Abstract 319 | PDF (Español (España)) 195 | DOI: https://doi.org/10.46480/esj.4.2.72
• Mobile App development using the MEAN Stack and IONIC framework: A case study in a transport company

  Jhonatan David Choto Maza, Diego Avila, Luz Miriam Avila Pesantez

  37-42

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  Abstract 190 | PDF (Español (España)) 163 | DOI: https://doi.org/10.46480/esj.4.2.74
• Ecosystem technologic for the development of the professional skills of the educational sideways agricultural thing

  Maritza Cantero Fernández, Modesta Moreno Iglesias, Neilys González Benítez

  43-48

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  Abstract 81 | PDF (Español (España)) 68 | DOI: https://doi.org/10.46480/esj.4.2.78
• Model of business in EM3 based on the Think innovation tool

  Rodolfo Batalla Villa, Neilys González Benítez

  49-55

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  Abstract 192 | PDF (Español (España)) 152 | DOI: https://doi.org/10.46480/esj.4.2.79
• Step of the knowledge for the analysis of fiscal family responsibilities established in the associations of the socio-economic environment in Jipijapa

  William Patricio Proaño Ponce, Tamara Valeria Alay Barcia

  56-62

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  Abstract 150 | PDF (Español (España)) 72 | DOI: https://doi.org/10.46480/esj.4.2.81
• Application of probabilistic algorithms for the logistic behavior analysis using the Monte Carlo method

  Xavier Enrique Sánchez Castro, Guillermo Valarezo-Guzmán, Norman Ordoñez-Herrera

  63-70

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  Abstract 94 | PDF (Español (España)) 84 | DOI: https://doi.org/10.46480/esj.4.2.82
• Computational model of supervised machine learning classification, for the analysis of cardiovascular data and medical prognosis

  Glenda Blanc-Pihuave, Lorenzo Cevallos-Torres, José Arteaga-Vera

  71-79

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  Abstract 82 | PDF (Español (España)) 66 | DOI: https://doi.org/10.46480/esj.4.2.83
• Application of the Monte Carlo-Diffuse model for the correct Manage-ment of Inventories in SMEs

  Héctor Lara-Gavilánez, Irma Naranjo-Peña, Carlos Banguera-Díaz

  80-88

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  Abstract 135 | PDF (Español (España)) 89 | DOI: https://doi.org/10.46480/esj.4.2.84
• A decision-based approach to the popular election of general authori-ties in a public university using a fuzzy hierarchical analytical model (Fuzzy AHP)

  Jonathan P. Cárdenas-Ruperti, Olga L. León-Santillán, Francisco S. Durán-Pérez

  89-93

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  Abstract 49 | PDF (Español (España)) 27 | DOI: https://doi.org/10.46480/esj.4.2.96