Majid Esmaeilpour, and Mohadeseh Zandavi. “Study the Effect of Sources of Manufacturing Companies on the Achievement of the Objectives of the Trade Exhibition: Case Study at the Trade Exhibition of Bushehr City, Iran”. Global Journal of Management and Business Research, vol. 15, no. E8, May 2015, pp. 33-43, https://journalofbusiness.org/index.php/GJMBR/article/view/1839.