Ridzuan, A.R., Mohamad, M.S. and Ahmed, E.M. 2014. The Linkage between Long-Run Purchasing Power Parity and CEPT scheme in ASEAN4 before and after Global Financial Crisis. Asian Journal of Agricultural Extension, Economics & Sociology. 3, 5 (Jun. 2014), 445–460. DOI:https://doi.org/10.9734/AJAEES/2014/10413.