(1997). An Act amending Presidential Decree no. 1146, as amended, expanding and increasing the coverage and benefits of the Government Service Insurance System, instituting reforms therein and for other purposes. Philippine Star.
Chicago-referens (17:e uppl.)"An Act Amending Presidential Decree No. 1146, as Amended, Expanding and Increasing the Coverage and Benefits of the Government Service Insurance System, Instituting Reforms Therein and for Other Purposes." Philippine Star 1997.
MLA-referens (9:e uppl.)"An Act Amending Presidential Decree No. 1146, as Amended, Expanding and Increasing the Coverage and Benefits of the Government Service Insurance System, Instituting Reforms Therein and for Other Purposes." Philippine Star, 1997.
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