Shahabi, A., Shojaie, A. abbas e Javadi, M. (2019) “Investigating Cause and Effect Relationships and Prioritizing of GM Assessment Indexes based on Economic, Resources, Energy and Environmental Attributes and PSR Framework using Gray DEMATAL”, Fronteira: Journal of Social, Technological and Environmental Science, 8(2), p. 392–407. doi: 10.21664/2238-8869.2019v8i2.p392-407.