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Lua i Stíl Chicago (17ú heag.)Sicat, Gerardo Pasion. The Role of Productivity in Philippine Economic Growth: A Country Paper. Tokyo, 1970.
Lua MLA (9ú heag.)Sicat, Gerardo Pasion. The Role of Productivity in Philippine Economic Growth: A Country Paper. 1970.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.