J. W. Ryan
发表
J. W. Ryan,
J. Dinkel,
K. Petrucci,
1993,
Journal of gerontological nursing.
J. W. Ryan,
A. M. Spellbring,
2003,
Journal of gerontological nursing.
J. W. Ryan,
A. M. Spellbring,
1996,
Journal of gerontological nursing.
P. Prescott,
K. Soeken,
J. W. Ryan,
1989,
Evaluation & the health professions.