Dhar, R. Effective communication skills - I (1st.). Vipul Prakashan.
Chicago-čujuhus (17. p.)Dhar, Raj. Effective Communication Skills - I. 1st. Mumbai: Vipul Prakashan.
MLA-čujuhus (9. p.)Dhar, Raj. Effective Communication Skills - I. 1st. Vipul Prakashan.
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