WAEC - Office Practice (2021 - No. 8)
Sule, the mail clerk at Ali Ltd, files some documents under two headings. For easy location of such document, he would make use of
cross-referencing
coding
indexing
microfilming
स्पष्टीकरण
Cross reference is a reference to information located somewhere else in the same document. Example is a citation at the bottom of a page.