Mendeley:

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Update: November 20, 2019

Web of Science:

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Update: November 20, 2019

ORCID iD:

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Update: August 15, 2019

Scopus:

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Update: April 23, 2019

Semantic Scholar:

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Update: August 15, 2019

Google Scholar:

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Microsoft Academic:

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Thai Journals Online (ThaiJO):

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Update: August 15, 2019