Journal of Natural Resources, Volume. 35, Issue 11, 2645(2020)
Fig. 1. Conceptual model of the "natural gas security indicator system"
Fig. 2. Performance of natural gas security indicatorsin 22 countries
Fig. 3. Comparison of security indexes between natural gas import and export countries
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Yun-heng ZHOU, Jia-wei CHEN, Rui-ke YE, Mu-qin CHEN, Yu-ting ZHANG, Yu-chen CAO.
Received: Dec. 30, 2019
Accepted: --
Published Online: May. 8, 2021
The Author Email: YE Rui-ke (rik_law@zjut.edu.cn)