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 The Comparison of the Sunscreen Activity of Ethanol Extracts and Fractions from Robusta Coffee (Coffea canephora) Leaves  using UV Spectrophotometer Method.
<strong>Riset Informasi Kesehatan</strong>, [S.l.], v. 12, n. 2, p. 178-183, dec. 2023.
ISSN 2548-6462.
Available at: &lt;<a href="https://jurnal.stikes-hi.ac.id/index.php/rik/article/view/813" target="_new">https://jurnal.stikes-hi.ac.id/index.php/rik/article/view/813</a>&gt;. Date accessed: 22 dec. 2024.
doi: <a href="https://doi.org/10.30644/rik.v12i2.813">https://doi.org/10.30644/rik.v12i2.813</a>.