a study of the peaceful cross-border dwelling model of south China and mainland southeast Asia 和平跨居论：中国南方与大陆东南亚跨国民族“和平跨居”模式研究：a study of the peaceful cross-border dwelling model of south China and mainland southeast Asia Study on the economic relations between China and mainland southeast Asia 并列题名：Study on the economic relations between China and mainland southeast Asia