Vol. 5 No. 1 (2021): March

Published: 2021-03-31

Research Paper

  • Cost for production orders for the manufacture of aluminum stairs and their impact on price determination.

    Damariz Mora Rodríguez , Paulina Tapia Bolaños, Ximena García Zambrano
    1-6
    DOI: https://doi.org/10.46480/esj.5.1.73

  • Biodegradable cutting fluid based on pinion oil (jatropha curcas)

    Yoandrys Morales-Tamayo, Bryan Carrasco-Viteri, Yusimit Zamora-Hernández, Joao Barzaga-Quesada, Marioxy Morales-Torres
    7-10
    DOI: https://doi.org/10.46480/esj.5.1.77

  • Study on trends in tools and methodologies for software development in Guayaquil

    Isaías David Vivas Flores, Andree Hector Salvador Herrera
    11-19
    DOI: https://doi.org/10.46480/esj.5.1.92

  • Adolescent alcoholism and its effects on academic behavior

    Yenny Piedad Cedeño Carrasco, Rosa Apolonia Aspiazu Miranda, Lourdes Lastenia Mazacon Vásquez, Lidia Piedad Suárez Berruz
    20-23
    DOI: https://doi.org/10.46480/esj.5.1.103

  • Folk dance in the learning process in basic education students

    Mercedes Mireya Cedeño Carrasco, Erika Johanna Valenzuela Litardo, Betty Elena Ferruzola Cruz, Anna Bertha Zamora Moreno
    24-29
    DOI: https://doi.org/10.46480/esj.5.1.104

  • Parametric and Non-parametric Mathematical Modelling Techniques: A Practical Approach of an Electrical Machine Identification

    Oscar Gonzales
    30-36
    DOI: https://doi.org/10.46480/esj.5.1.86

Review Paper

  • Community Tourism and Museum: Articulation for the Strengthening of local bases

    Tatiana Chicaiza, David Chontasi
    37-45
    DOI: https://doi.org/10.46480/esj.5.1.97

  • Cybersecurity in learning management system (LMS)

    Monica Paulina Echeverria Broncano; Diego Fernando Ávila Pesantez
    46-54
    DOI: https://doi.org/10.46480/esj.5.1.98

  • X-Ray Images Analysis by Medium Artificial Neural Network

    Darwin Patiño Perez, Ricardo Silva Bustillos, Miguel Botto-Tobar, Celia Munive Mora
    55-60
    DOI: https://doi.org/10.46480/esj.5.1.50