Robbins, S. P. (2008). Training in interpersonal skills (4th ed.). Prentice hall of India.
Chicago Stili AlıntıRobbins, Stephen P. Training in Interpersonal Skills. 4th ed. New Delhi: Prentice hall of India, 2008.
MLA AlıntıRobbins, Stephen P. Training in Interpersonal Skills. 4th ed. Prentice hall of India, 2008.
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