Hajiagha, S.H.R., Zavadskas, E.K. and Hashemi, S.S. 2013. 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, 3 (Jun. 2013), 638-650. DOI:https://doi.org/10.3846/16111699.2012.745819.