Jaster, B W Competency model program: new concept in training nurse aides. [electronic resource] - Journal - American Health Care Association Sep 1977 - 16-20 p. digital Publication Type: Journal Article ISSN: 0360-4969 Subjects--Topical Terms: Competency-Based EducationCurriculumGeriatric Nursing--educationNursing Assistants--educationTexas