L. Pratt
发表
L. Pratt,
1989
.
L. Pratt,
1977,
Health education monographs.
L. Pratt,
1973,
Journal of health and social behavior.
T. Litman,
L. Pratt,
1979
.
L. Pratt,
1981
.
L. Pratt,
1973
.
L. Pratt,
1972
.
L Pratt,
L. Pratt,
1971,
American journal of public health.