Poetics of the story “Pacto de sangre” [“Blood covenant”] by Mario Benedetti: a study for the creation of short stories od Cristancho Ruiz, Mario Hernán

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Implementation of ATEX standards in the context of mining activity in Colombia od Jaramillo-Urrego, Linda Mishell, Molina-Escobar, Jorge Martín, García-Torrent, Javier, Medic-Pejic, Ljiljana

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Diseño del plan de descontaminación de aire para la ciudad de Yopal od Barón Archila, Wilder Camilo

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Avocado (Persea americana Mill.) postharvest status, breakthrough and processing od Forero, Freddy, García, Jairo, Cárdenas-Hernández, Julián F.

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