For getting periodical information, the best way to seek data is to collect it
A. Indirectly by oral investigation
B. Mailed questionnaire
C. Information received from local agencies
D. All of the above
Answer:C
For getting periodical information, the best way to seek data is to collect it
A. Indirectly by oral investigation B. Mailed questionnaire C. Information received from local agencies D. All of the above