(1997). An act amending Presidential Decree no. 1146, as amended, expanding and increasing the coverage and benefits of the Government Service Insurance System. Manila Bulletin.
Chicago-viite (17. p.)"An Act Amending Presidential Decree No. 1146, as Amended, Expanding and Increasing the Coverage and Benefits of the Government Service Insurance System." Manila Bulletin 1997.
MLA-viite (9. p.)"An Act Amending Presidential Decree No. 1146, as Amended, Expanding and Increasing the Coverage and Benefits of the Government Service Insurance System." Manila Bulletin, 1997.
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