Hidayah, I., 		Kuswandi, B., & 		Wulandari, L.
(2014).
 Deteksi Kemurnian Air Zamzam  Menggunakan Metode  Spektrofotometri Near Infra Red (NIR) dan Kemometrik (Detection of Zamzam Water Purity Using Near Infra Red Spectroscopy (NIR) and Chemometrics).
<em>Pustaka Kesehatan, 2</em>(3), 439-444.
Retrieved from <a href="https://jurnal.unej.ac.id/index.php/JPK/article/view/2051" target="_new">https://jurnal.unej.ac.id/index.php/JPK/article/view/2051</a>