00625nam a2200193Ia 4500 CTU_79514 210402s9999 xx 000 0 und d 382 P675 Pisar, Samuel Coexistence and commerce : Guidelines for transactions between East and West Samuel Pisar New York McGraw-Hill Company 1970 Commercial law,Communist countries,Foreign trade regulation Communist countries,Commercial policy,Communist countries Trung tâm Học liệu Trường Đại học Cần Thơ