By García Echevarria, Felícita.
1990 .
xi, 55 leaves.

By Quiñones Rosado, Edna Milagros..
1990 .
x, 77 p.

By Acosta Santana, Iris L..
1988 .
xii, 136 p.

By Rodríguez Toro, Ivonne..
1989 .
x, 82 p.

By Santiago Maldonado, Nidia Lizzette..
1990 .
x, 121 p.

By Pérez Arnau, Carlos..
1990 .
ix, 103 p.

By Lamboy Martínez, Osvaldo.
1993 .
x, 189 leaves. , Thesis (M.S.)--Pontificia Universidad Católica de Puerto Rico.

By Miranda Ramírez, María del Carmen.
1995 .
x, 59 p.

By Correa Santiago, Victoria..
1996 .
ix, 68 p.

By Quintana Alsina, Myriam.
1995 .
xi, 65 p.

By Valle Olivencia, Eddie del..
1996 .
xii, 77 p.

By Jesús Mateo, Keishla M. de.
2018 .
1CD-ROM : 4 3/4in..

By Borrero Pabón , Micol,.
2018 .
1 CD-ROM: 4 3 /4 in..

By Estrella Martínez , Bárbara ,.
2018 .
1CD-ROM : 4 3/4 in.

By Mercado Velázquez, José J..
2019 .
146 leaves ;

By Camacho Caraballo, Lynette Y..
2021 .
1 disco de computadora ([11], 123 hojas) ; 4¾ pulgadas (11.5 centímetros).

By Rodríguez Ortiz, Elbannette.
2021 .
1 disco de computadora (9, 50 hojas) ; 4¾ pulgadas (11.5 centímetros).

By Mercado Morales, Carolina.
2021 .
1 disco de computadora ([11], 44 leaves) ; 4¾ pulgadas (11.5 centímetros).

By Rosado González , Marimar..
2021 .
1 disco de computadora (72 leaves) ; 4¾ pulgadas (11.5 centímetros).