00642nam a2200181Ia 4500 CTU_21951 210402s9999 xx 000 0 und d 973.9 Th527 Lê Bá Thuyên Hoa Kỳ: Cam kết và mở rộng (Chiến lược toàn cầu mới của Mỹ) = Engagement and enlarcement strategy Lê Bá Thuyên, TT KHXH và NVQG - TT Nghiên Cứu Bắc Mỹ Hà Nội KHXH 1997 america - history - 20th century Trung tâm Học liệu Trường Đại học Cần Thơ