Montemayor, J. C. J. Government service insurance system (GSIS) and related laws: Law and applications (2023 edition.).
Chicago Style (17. basım) AtıfMontemayor, Jose C. Jr. Government Service Insurance System (GSIS) and Related Laws: Law and Applications. 2023 edition.
MLA (9th ed.) AtıfMontemayor, Jose C. Jr. Government Service Insurance System (GSIS) and Related Laws: Law and Applications. 2023 edition.
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