In which scheme of classification the facet, relation sign double colon (::) is used when a reversal of two facets is not required?
A. C. C
B. D. D. C.
C. U. D. C
D. L. C.
Answer:A
In which scheme of classification the facet, relation sign double colon (::) is used when a reversal of two facets is not required?
A. C. C B. D. D. C. C. U. D. C D. L. C.