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Vol. 1 No. 26 (2021): [July - December 2021]
Vol. 1 No. 26 (2021): [July - December 2021]
Continuous publication
Published:
2021-10-21
Full Issue
Perfiles 26 (Español (España))
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
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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
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Factors associated with chronic child malnutrition in Ecuador. A study based on regression models and classification trees.
Pablo Flores, Giorgina Congacha
21-33
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Systematic review about street food safety.
Paola Arguello, Ana Albuja
34-47
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Survival analysis in credit risk management: the case of an Ecuadorian mortgage portfolio.
Luis Guevara, Miguel Flores, Ana Cabezas
48-61
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Analysis of changes in income distribution, between 2006 t0 2016, applying non-parametric k-sample tests.
Liliana Roldan, Miguel Flores, Ana Cabezas
62-82
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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
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Mathematical model to minimize production costs in a vehicle assembler - assembly area.
José Gavidia, Antonio Meneses, Lourdez Zúñiga, Christian Mariño
90-100
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