P. Fraenkel
发表
P. Fraenkel,
Oliver Parish,
Varis Bolkalders,
1991
.
I. B. Fridleifsson,
A. Faaij,
W. Turkenburg,
2000
.
P. Fraenkel,
2022
.
P. Fraenkel,
2006
.
P. Fraenkel,
I. Bryden,
S. Naik,
1998
.
P. Fraenkel,
P. Musgrove,
1979
.
Peter Fraenkel,
P. Fraenkel,
1986
.
P. Fraenkel,
1978
.
P. Fraenkel,
2019,
Encyclopedia of Couple and Family Therapy.
P. L. Fraenkel,
P. Fraenkel,
2002
.
I. B. Fridleifsson,
A. Faaij,
W. Turkenburg,
2000
.