Progress of the Colombo plan, 1956-. - Colombo Plan Bureau (Colombo Colombo Plan Bureau, 1957)
Popular version of It's annual report. Annual report began 1951/52-
Title varies: 1956, The fifth year.--1957, The sixth year.--1958, the seventh year.1959- The progress of the Colombo Plan.
Keywords: Economic assistance -- Asia,Southeastern