Yellow river (china)
Indus river (India)
Tigris river (<span>Mesopotamia)
Nile river ( Egypt)</span>
Answer:
ethnography
Explanation:
Ethnography -
It refers to as a quantitative and qualitative research method , for studying certain specific group or society .
The method require to have a proper search and information for the subject .
The example are some groups like communities , organization , etc .
Hence , from the given scenario of the question ,
The correct answer is ethnography .
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