DAMAYANTI, Ayu Anisa; 						TRISNAWATI, Ni Luh Putu; 						SUYANTO, Hery.
 Identification of Betel Leaf Wave Numbers (Piper sp.) Using Fourier Transform Infrared (FTIR) Spectroscopy Methods and Principal Component Analysis (PCA).
<strong>BULETIN FISIKA</strong>, [S.l.], v. 22, n. 2, p. 60-66, nov. 2020.
ISSN 2580-9733.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/buletinfisika/article/view/10.24843%2FBF.2021.V22.i02.p02" target="_new">https://ojs.unud.ac.id/index.php/buletinfisika/article/view/10.24843%2FBF.2021.V22.i02.p02</a>&gt;. Date accessed: 25 apr. 2024.
doi: <a href="https://doi.org/10.24843/BF.2021.v22.i02.p02">https://doi.org/10.24843/BF.2021.v22.i02.p02</a>.