Private Development Corporation of the Philippines. Economic and Corporate Research. (1975). The chemical fertilizer industry. ECOR.
Chicago Style aipamenaPrivate Development Corporation of the Philippines. Economic and Corporate Research. The Chemical Fertilizer Industry. Makati: ECOR, 1975.
MLA aipamenaPrivate Development Corporation of the Philippines. Economic and Corporate Research. The Chemical Fertilizer Industry. ECOR, 1975.
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