by Albert Bandura | .
by Jonathan L. Freedman | .
by Talcott Parsons | .
by Larry L. Barker | .
by Howard L. Nixon | .
by Hubert M. Blalock | .
by Ramkrishna Mukharjee | .
by Everett M. Rogers | .
by Daniel G. Kozlovsky | .
by Pauline V. Young.
by Pauline V. Young | .
by Joseph Julian | .
by Gisela Konopka | .
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