Name the source of collection of secondary data

1.	Name the source of collection of secondary data
Answer» Main sources of the secondary data can be classified into two groups :1. Published sources :(a) Government Publications(b) Semi-government Publications(c) International Publications(d) Private Publications(e) Research Publications2. Unpublished sources : Secondary Data can be obtained from unpublished sources, because all statistical material is not always published. Studies made by research institutions, scholars etc. can be important sources of secondary data.

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