Philippines. Institute for Labor Studies. (2005). The Assumption and certification power in the Philippines: Context, issues and options. Institute for Labor Studies.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रPhilippines. Institute for Labor Studies. The Assumption and Certification Power in the Philippines: Context, Issues and Options. Manila: Institute for Labor Studies, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रPhilippines. Institute for Labor Studies. The Assumption and Certification Power in the Philippines: Context, Issues and Options. Institute for Labor Studies, 2005.
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