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			SANTIKA, Fiar Tri et al.
 Determination of the Optical Band gap Energy from the Extraction and Evaporation of Anthocyanin Compound Sea Lettuce (Ulva Lactuca L.) Using Tauc Plot Method.
<strong>BULETIN FISIKA</strong>, [S.l.], v. 25, n. 1, p. 8 – 13, feb. 2024.
ISSN 2580-9733.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/buletinfisika/article/view/87999" target="_new">https://ojs.unud.ac.id/index.php/buletinfisika/article/view/87999</a>&gt;. Date accessed: 31 aug. 2026.
doi: <a href="https://doi.org/10.24843/BF.2024.V25.i01.p02">https://doi.org/10.24843/BF.2024.V25.i01.p02</a>.