فهرس المقالات Seyed Hashem Davarpanah المقاله 1 - ANN-DEA Approach of Corporate Diversification and Efficiency in Bursa Malaysia 10.22034/amfa.2017.529058 Meysam Doaei Seyed Hashem Davarpanah Mahdi Sabzi Advances in Mathematical Finance and Applications , العدد 1 , السنة 2 , زمستان 2017