Research Article
Research Trends and Performance of IIoT Communication Network-Architectural Layers of Petrochemical Industry 4.0 for Coping with Circular Economy
Table 4
Scientific publication research guidelines.
| (i) Scientific publication inclusion parameters: | (a) Targets solely research-oriented scientific materials (only journal and conferences). | (b) Articles published over the years 2007-2017. | (c) Articles are searched, strike over evaluated PI4.0-CN/AL model. |
| (ii) Scientific publication exclusion parameters: | (a) Eliminated the non-research-oriented publications, i.e., magazines, posters, PPTs, reports, thesis, synopsis, news reports, and short notes. | (b) Articles are not in line with PI4.0-CN/AL model. | (c) False scientific articles, which are not found in English. |
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