Table of contents

1. Editorial

   Armando Solano-Suarez (Author)

   Article visits 66 | PDF visits 77

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1. Use of inferential statistics for treatment of congenital waters with fulvic acids

   Jenny Carolina Dueñas, Rodrigo Mora-Sanabria (Author)

   Article visits 207 | PDF visits 136

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2. Elaboration of Teaching Aids with Technology 4.0 by High School Students of the Technical School of the Central Technical Institute, Bogotá, Colombia

   Carlos Javier Garcia- Castellanos, Wilson Fernando González-Castillo (Author)

   Article visits 351 | PDF visits 163

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3. Drone in 3D printing

   Diego Andres Fernandez-Peña (Author)

   Article visits 231 | PDF visits 134

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4. Evaluation of the influence of the use of auxetic geometry mesh in concrete elements subjected to compression

   Juan Sebastian Garzon Valencia (Author)

   Article visits 154 | PDF visits 113

   PDF (Spanish) FLIP