Notes, Comments and Preliminary results Nov 03 2019 Hakimi Abdelaziz and Hamdi Helmi   Financial development and human development: A non-linear analysis for Oil-exporting and Oil-importing countries in MENA region   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   Apr 09 2017 Taha Zaghdoudi and Abdelaziz Hakimi   Does external debt- poverty relationship confirm the debtoverhang hypothesis for developing counties?   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result   May 14 2013 Helmi Hamdi , Rashid Sbia , Hakimi Abdelaziz and Wafa Khlaifia hakimi   Multivariate Granger causality between foreign direct investment and economic growth in Tunisia   Abstract  Contact Information  Citation  Full Text  -  Preliminary Result