Verdejo Carrión, A L <br/><br/>
[Motivation in old age and productivity].  [electronic resource] 

 -  Boletin - Colegio de Profesionales de la Enfermeria de Puerto Rico  Dec 1982 
 - 13-7 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>0145-6245 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Aged--psychology<br/>Aging<br/>Efficiency<br/>Employment<br/>Humans<br/>Motivation<br/>Puerto Rico<br/>Retirement<br/>Work