Hajiagha, Seyed Hossein Razavi, Edmundas Kazimieras Zavadskas, and Shide Sadat Hashemi. “Application of Stepwise Data Envelopment Analysis and Grey Incidence Analysis to Evaluate the Effectiveness of Export Promotion Programs”. Journal of Business Economics and Management 14, no. 3 (June 27, 2013): 638-650. Accessed November 25, 2024. https://transport.vgtu.lt/index.php/JBEM/article/view/3735.