Hajiagha SHR, Zavadskas EK, Hashemi SS. Application of stepwise data envelopment analysis and grey incidence analysis to evaluate the effectiveness of export promotion programs. JBEM [Internet]. 2013Jun.27 [cited 2024Nov.7];14(3):638-50. Available from: https://jest.vgtu.lt/index.php/JBEM/article/view/3735