World productivity congress & Pusat Daya Pengeluaran Negara. (1990). Working papers.
Chicago Style (17th ed.) CitationWorld productivity congress and Pusat Daya Pengeluaran Negara. Working Papers. 1990.
MLA (9th ed.) CitationWorld productivity congress and Pusat Daya Pengeluaran Negara. Working Papers. 1990.
Warning: These citations may not always be 100% accurate.