APA Style
Trecker, Harleigh B., عبدالعزیز خالد. ().
Social Group Work: principles and practices .
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Chicago Style
Trecker, Harleigh B., عبدالعزیز خالد.
Social Group Work: principles and practices.
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.
MLA Style
Trecker, Harleigh B., عبدالعزیز خالد.
Social Group Work: principles and practices.
:
,
.
.
Turabian Style
Trecker, Harleigh B., عبدالعزیز خالد.
Social Group Work: principles and practices.
:
,
.
.