Gaya APA
Donald T. Campbell, Julian C. Stanly. ().
EXPERIMENTAL AND QUASI-EXPERIMENTAL DESIGNS FOR RESEARCH .
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Gaya Chicago
Donald T. Campbell, Julian C. Stanly.
EXPERIMENTAL AND QUASI-EXPERIMENTAL DESIGNS FOR RESEARCH.
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Gaya MLA
Donald T. Campbell, Julian C. Stanly.
EXPERIMENTAL AND QUASI-EXPERIMENTAL DESIGNS FOR RESEARCH.
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Gaya Turabian
Donald T. Campbell, Julian C. Stanly.
EXPERIMENTAL AND QUASI-EXPERIMENTAL DESIGNS FOR RESEARCH.
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,
.
.