Vol. 1 No. 26 (2021): [July - December 2021]

Articles

• Preliminary pharmacognostic study of Ocimum micranthum and Eupatorium odoratum, native plant species from Esmeraldas (Ecuador).

  Karen Acosta, Valeria Zapata, Aida Miranda, José Mora, Alfredo Lajones

  4-12

  • PDF (Español (España))
  • HTML (Español (España))

• Evaluation of ethanolic extracts of mulberry and mango leaves in the dehydration process of heavy crude oils.

  Hernán Tixi, Natalia Barahona, Henry Garmendia

  13-20

  • PDF (Español (España))
  • HTML (Español (España))

• Factors associated with chronic child malnutrition in Ecuador. A study based on regression models and classification trees.

  Pablo Flores, Giorgina Congacha

  21-33

  • PDF (Español (España))
  • HTML (Español (España))

• Systematic review about street food safety.

  Paola Arguello, Ana Albuja

  34-47

  • PDF (Español (España))
  • HTML (Español (España))

• Survival analysis in credit risk management: the case of an Ecuadorian mortgage portfolio.

  Luis Guevara, Miguel Flores, Ana Cabezas

  48-61

  • PDF (Español (España))
  • HTML (Español (España))

• Analysis of changes in income distribution, between 2006 t0 2016, applying non-parametric k-sample tests.

  Liliana Roldan, Miguel Flores, Ana Cabezas

  62-82

  • PDF (Español (España))
  • HTML (Español (España))

• Effectiveness of filter beds in the reduction of sulphates and calcium carbonate in water for human consumption.

  Marco Pino-Vallejo, Franklin Vásconez, Martha Pazmiño, Patricia Andrade

  83-89

  • PDF (Español (España))
  • HTML (Español (España))

• Mathematical model to minimize production costs in a vehicle assembler - assembly area.

  José Gavidia, Antonio Meneses, Lourdez Zúñiga, Christian Mariño

  90-100

  • PDF (Español (España))
  • HTML (Español (España))