1 “... are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles...”

2 “... are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles...”

3 “... are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles...”

4 “... are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles...”

5 “... are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles...”

6 “... of the journal Sustainability entitled “Appropriate Wisdom, Technology, and Management toward Environmental...”

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