List four primary secondary and territory sources of information ?

Answer 1

Primary sources of information:
1. Original research studies and experiments
2. Interviews and surveys conducted by the researcher
3. Official documents and records such as government reports and statistics
4. Direct observations and eyewitness accounts

Secondary sources of information:
1. Books and textbooks on a particular subject
2. Magazine and newspaper articles that provide analysis and interpretation of research or events
3. Review articles that summarize and critique existing research studies
4. Biographies and autobiographies that provide insights into specific events or individuals

Tertiary sources of information:
1. Encyclopedias and dictionaries that offer general overviews of various subjects
2. Almanacs and handbooks that provide concise information and data
3. Guidebooks and manuals that offer practical instructions and advice on specific topics
4. Bibliographies and citation indexes that list and organize published works on a subject.