APA (7 वां संस्करण) प्रशस्ति पत्र

(1998). An act amending article 287 of Presidential Decree No. 442, as amended, otherwise known as the Labor Code of the Philippine by reducing the retirement age of underground mine workers from sixty (60) to fifty (50). Manila Times.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

"An Act Amending Article 287 of Presidential Decree No. 442, as Amended, Otherwise Known as the Labor Code of the Philippine by Reducing the Retirement Age of Underground Mine Workers from Sixty (60) to Fifty (50)." Manila Times 1998.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

"An Act Amending Article 287 of Presidential Decree No. 442, as Amended, Otherwise Known as the Labor Code of the Philippine by Reducing the Retirement Age of Underground Mine Workers from Sixty (60) to Fifty (50)." Manila Times, 1998.

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