00672nam a2200229Ia 4500 CTU_136194 210402s9999 xx 000 0 und d 42.00 510.71273 C761/4B Coxford, Arthur F. Contemporary mathematics in context : A unified approach Arthur F. Coxford ... [et al.] New York Glencoe/McGraw-Hill 2001 Trung tâm Học liệu ĐHCT,Mathematics Study and teaching ( Secondary ) United States Giang Trung tâm Học liệu Trường Đại học Cần Thơ