Optimization of traceability model of Ziziphus jujuba geographic origin by multi-element analysis combined SIMCA
XIA Liya,LI Xiaoting,LI Xiaoyang,ZHANG Xiaoyu,YIN Jiexuan
Journal of Hebei University (Natural Science Edition) . 2016, (4): 374 -379 .  DOI: 10.3969/j.issn.1000-1565.2016.04.008