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							HENDRAWATI, Theresia; 						YANTI, Christina Purnama.
 Analysis of Twitter Users Sentiment against the Covid-19 Outbreak Using the Backpropagation Method with Adam Optimization.
<strong>Journal of Electrical, Electronics and Informatics</strong>, [S.l.], v. 5, n. 1, p. 1-4, feb. 2021.
ISSN 2622-0393.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/jeei/article/view/65626" target="_new">https://ojs.unud.ac.id/index.php/jeei/article/view/65626</a>&gt;. Date accessed: 04 sep. 2026.
doi: <a href="https://doi.org/10.24843/JEEI.2021.v05.i01.p01">https://doi.org/10.24843/JEEI.2021.v05.i01.p01</a>.