00299nam a22001217a 4500 OSt 20241021123017.0 241021b |||||||| |||| 00| 0 eng d Chap Libro UNAM Acceso Abierto https://librosoa.unam.mx/ ACCESO AL RECURSO ddc 220216 220216 0 0 local 0 0 OA BD BD E_L 2024-10-21 0 2024-10-21 12:20:59 2024-10-21 OA-LIBRO 0 0 local 0 0 OA BD BD E_L 2024-10-21 0 2024-10-21 13:29:37 2024-10-21 REP