Table 2: Summary of the literature review in the first fold framework.

Scientific publisherKey terms
(A)(B)(C)(D)(E)(F)(G)(H)(I)(J)

ACMDL1121600630531100
ASCEOR1710030350000
ASME20002530000
CJO300035350000
DOAJ216001110000
EI60007100000
SD4166901.15644821000
TFJ8421021160100
WB7518003294561000
WSP145001751201100

Data and source: ACM Digital Library (ACMDL) (http://dl.acm.org/), ASCE Online Research Library (ASCEOR) (http://ascelibrary.org/), ASME (http://asmedigitalcollection.asme.org/), Cambridge Journals Online (CJO) (http://journals.cambridge.org/), DOAJ (http://doaj.org/), Emerald Insight (EI) (http://www.emeraldinsight.com/), Science Direct (SD) (http://www.sciencedirect.com/), Taylor & Francis Journal (TFJ) (http://www.tandfonline.com/), Wiley-Blackwell (WB) (http://onlinelibrary.wiley.com/), and World Scientific Publishing (WSP) (http://www.worldscientific.com/).
Keywords: (A): ELECTRE III, (B): ELECTRE IV, (C): ELECTRE III and small hydr (aim and scope difference with the current study), (D): ELECTRE IV and small hydro, (E): Shannon’s entropy, (F): subjective weighting, (G): ELECTRE III and Shannon’s entropy, (H): ELECTRE III and subjective weighting, (I): ELECTRE III and Shannon’s entropy and small hydro, and (J): ELECTRE III and subjective weighting and small hydro.