Vol 2, No 1 (2018)

January - June

DOI: https://doi.org/10.32829/sej.v2i1

Table of Contents

Research Articles

Manlio Heras Romero, Nilton Quispe Ciudad, Juan Vega Gonzales
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1-6
S Chirino, Jaime Diaz, N Monteblanco, E Valderrama
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7-15
Ronald Rodriguez, Nicodemo Jamanca, Johnny Gomero, Hector Castro, Santos Celis
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16-20