Ley del seguro social y disposiciones complementarias.
Edition: 41a ed.
Series: Colección Porrúa.
Publisher: Editorial Porrúa
Published: 1987
Place of publication: México
Language: spa
Number of pages: 939
Subjects: Social security -- Law and legislation -- Mexico.
Other titles: Ley del seguro social.
Notes: Spine title: Ley del seguro social.