Jolles, R. L. (2005). How to run seminars and workshops: Presentations skills for consultants, trainers, and teachers (3rd ed.). Wiley.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रJolles, Robert L. How to Run Seminars and Workshops: Presentations Skills for Consultants, Trainers, and Teachers. 3rd ed. Hoboken, N.J: Wiley, 2005.
एमएलए (9वां संस्करण) प्रशस्ति पत्रJolles, Robert L. How to Run Seminars and Workshops: Presentations Skills for Consultants, Trainers, and Teachers. 3rd ed. Wiley, 2005.
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