Research Article

Research Trends and Performance of IIoT Communication Network-Architectural Layers of Petrochemical Industry 4.0 for Coping with Circular Economy

Table 7

Evaluated scientific research documents/manuscripts considering exclusion parameters, full text, and primary search.

Search enginesTotal documents foundExclusion parametersFull textPrimary search

Emerald Link12390
Springer Link241491
ACM Link511464
IEEE Xplore10016930
ScienceDirect11587136
Total documents3022720471