A short description of the border areas in Southeast Asia / I Ketut Ardhana -- History of trade contacts in the border regions in Southeast Asia / Lamijo -- Ethnicity in the border areas in Southeast Asia / Yekti Maunati -- Trade contacts in the border areas between Malaysia and the Philippines / I Ketut Ardhana -- The trade contact routes in the Malaysia-Philippines border areas / Lamijo -- Trade contacts in the border regions in Southeast Asia / Lamijo