In exploring data for a research proposal, sources can be divided into ____________.primary A: primary source and secondary source B: first source and second source C: direct source and indirect source D: main source and minor source
In exploring data for a research proposal, sources can be divided into ____________.primary
A、 primary source and secondary source
B、 first source and second source
C、 direct source and indirect source
D、 main source and minor source
发布时间：2024-11-22 19:56:43
