【单选题】Data originated by the researcher specifically to address the research problem are called ________.A. primary data B. secondary data C. virtual data D. census data E. research data
【单选题】Data originated by the researcher specifically to address the research problem are called ________.
A、 primary data
B、 secondary data
C、 virtual data
D、 census data
E、 research data
发布时间：2025-10-22 17:05:08
