Ratnasari, Fracilia, Wulandari, Lestyo, AND Kristiningrum, Nia. " Penentuan Kadar Fenol Total pada Ekstrak Daun Tanaman Menggunakan Metode Spektroskopi NIR dan Kemometrik (Determination of Total Phenolic in Leave Extracts Using Spectroscopy NIR and Chemometric)" Pustaka Kesehatan [Online], Volume 4 Number 2 (6 May 2016)