00567nam a2200157Ia 4500 0000020796 20251012174637.0 960421s1981 si 0 eng c 9971902257 HD8039 The ASEAN Preferential Trading Arrangement (PTA) an analysis of potential effects on intra-ASEAN trade by Ooi Guat Jin Singapore Institute of Southeast Asean Studie s 1981 34 leave ill 28cm. Tariff preferences Asia, Southeastern Asia, Southeastern Commercial policy 7886 7886 0 0 0 0 KEM KEM 2012-12-07 0 0000008835 2025-10-12 08:36:06 2025-10-12 OS