IBON Databank Philippines. (1990). The Semiconductor industry. IBON Databank Phils.
Lua i Stíl Chicago (17ú heag.)IBON Databank Philippines. The Semiconductor Industry. Manila: IBON Databank Phils, 1990.
Lua MLA (9ú heag.)IBON Databank Philippines. The Semiconductor Industry. IBON Databank Phils, 1990.
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