Need to evaluate and improve postal source data system before further expansion
Subtitle: report to the Congress [on the] Post Office Department
By: by the Comptroller General of the United States.
Published: 1971
Place of publication: [Washington
Language: eng
Number of pages: 65
Subjects: Postal service -- United States -- Automation.
Notes: Cover title.
"B-114874."
Publication date stamped on t.p.