enfoque multidisciplinario Bey Nazario, Rafael. Lefebre Trinidad, Luisa. text bibliography pr Río Piedras, P.R Arecibo, P.R Jay-Ce Printing Editorial Geronte 1989 monographic spa 275 p. ill. Rafael Bey Nazario...[et al] Includes bibliographies. Gerontology Puerto Rico Aging Puerto Rico Gerontology Puerto Rico Addresses, essays, lectures 930316 20160527184326.0 167986