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Vol. 21 No. 1 (2021): Vol. 21 No. 1 | Julio de 2021

View Vol. 21 No. 1 (2021): Vol. 21 No. 1 | Julio de 2021

Published: 2021-07-30

Editorial

Editorial

7
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DOI: https://doi.org/10.25044/25392190.1035

Articles

Importance of obtaining coating for food from agriculture waste from the Valley Ciudad Serdán, Puebla México

María del Rosario Bernabé Salas, José Felipe Fausto Juárez Cadena, José Luis Rivera Cruz, Elías Cruz Guerra, José Pascual Hernández Jiménez

10 - 15
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DOI: https://doi.org/10.25044/25392190.1025
Physical, chemical analysis of salmonella spp on eggs coming from gallus gallus domesticus, piedra larga, Condega community 2018-2019

Medardo de Jesús Moreno Castellón, Michelle Alexandra Moreno Rivera, Esther Jalieth Velasquez Raudez

16 - 27
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DOI: https://doi.org/10.25044/25392190.1027
Effectiveness of two alternative treatments (própolis et allium sativum) in the control of subclinical bovine mastitis, in the department of Estelí Nicaragua, february 2020

Jaime Antonio Landero Amaya, Dayana Marina Castillo Tórrez, Pamela Guadalupe Altamirano Silva

28 - 33
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DOI: https://doi.org/10.25044/25392190.1029
Proposal for a spill treatment system at the Propiscol fish farm as an environmental management tool for sustainable livestock production

Ivan Giovanni Ardila Linares, Ever Martinez Romero

34 - 43
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DOI: https://doi.org/10.25044/25392190.1026
Social development in autism spectrum disorder In children between 3 and 6 years of age

Marta Aurora Pérez Correa, Maribel Lanchero Bello, Paola Flórez Vergara

46 - 54
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DOI: https://doi.org/10.25044/25392190.1018
Innovation and its implications for metallurgical sector companies in the city of Cartagena: Asimecar case study

Nelson Eduardo Cottiz Montoya

57 - 70
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DOI: https://doi.org/10.25044/25392190.935