By Kaplan, Leslie S..
New York Rosen Pub. Group 1996 .
viii, 215 p. 23 cm..
0823924459

By Kreiner, Anna..
New York Rosen Pub. Group. 1997 .
64 p. 24 cm..
0823922480

By Leandry Lugo, Lourdes J..
2001 .
x, 88 leaves , Typescript. | Thesis (M.S.W.) -- Pontificia Universidad Católica de Puerto Rico, 2001. 29 cm..

By Rivera Rivera , Heriberto..
2005 .
x, 89 leaves 29 cm.