Vol 8 No 2 (2023)

Published November 30, 2023

https://doi.org/10.70165/enfdis.v8i2

DISCIPLINARY FOCUS JOURNAL

Artículos

Alain Fitzgerard Castro Alfaro

1-14

Study of closure causes in copper smelting plants in the chilean mining industry

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Carlos Alberto Severiche Sierra

15-25

Technical-economic studies of water reuse in medium and small scale mining

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Javier Celestino Villegas Mayorga

26-42

Effects of the covid-19 pandemic on the mental health of retirees in uruguay: an analysis of depressive states

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Lino Mercado León

43-60

Use of chilled and frozen semen in a fixed-time artificial insemination protocol in wagyu heifers

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