As a research method, the case study originates in the social sciences, particularly in the fieldwork of anthropology and sociology.
The social sciences is where case studies come from as a method of doing research.
Case studies originated in Biological Sciences as a research method.
Vendors are selling chicken outside at the Asian market under red umbrelllas
Two children are outside walking.
None of the tombs are worth exploring.
It should be a great statistic, but I didn't know that.
The people are very impatient.
Treatment for ED is available.