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ISSN 2541-5328.
Available at: &lt;<a href="http://103.29.196.112/index.php/jem/article/view/59603" target="_new">http://103.29.196.112/index.php/jem/article/view/59603</a>&gt;. Date accessed: 04 mar. 2026.
doi: <a href="https://doi.org/10.24843/JEM.2020.v13.i01.p04">https://doi.org/10.24843/JEM.2020.v13.i01.p04</a>.