Qualitative research method; What can you say about strengths and weaknesses of the methodology of Doing Business project of World Bank?

1)Quantitative research methods: principles, standards,
opportunities, and challenges

2) What
can you say about strengths and weaknesses of the methodology of Doing Business
project of World Bank?

please answer on the questions very clearly, do it in the way:
Principles –
Standards –
…

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