Lastra Lastra, José Manuel Derecho sindical / José Manuel Lastra Lastra - 4 - México : Porrúa, 2003 - xxiv, 357 p. ISBN: 970-07-4210-5 Subjects--Topical Terms: DERECHO LABORAL--MEXICOSINDICALISMO Dewey Class. No.: 348.6 L3495d 2003