Philippines. National Science Development Board. (1962). Research and development expenditures of private industry in 1960. [s.n.
Citação do estilo Chicago (17ª ed.)Philippines. National Science Development Board. Research and Development Expenditures of Private Industry in 1960. Manila: [s.n, 1962.
Citação MLA (9ª ed.)Philippines. National Science Development Board. Research and Development Expenditures of Private Industry in 1960. [s.n, 1962.
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