00644nam a2200205Ia 4500 TDMU_6410 210410s9999 xx 000 0 und d 516.076 V500 Vũ, Hữu Bình Các bài toán hình học tổ hợp Dùng cho bậc Trung học cơ sở Vũ Hữu Bình H. Giáo dục 2000 228tr. Toán học; Hình học http://lrc.tdmu.edu.vn/opac/search/detail.asp?aID=2&ID=6410 Trung tâm Học liệu Trường Đại học Thủ Dầu Một