00507nam a2200181Ia 4500 CTU_59877 210402s9999 xx 000 0 und d 32000 621.3192 B103 Bài tập lý thuyết mạch Đỗ Huy Giác ... [et al.] Hà Nội Khoa học và Kỹ thuật 2003 electronic circuits Minh Trung tâm Học liệu Trường Đại học Cần Thơ