00836nam a2200205Ia 4500 CTU_101479 210402s9999 xx 000 0 und d 180000 529.3 B312 Trần, Tiến Bình Lịch Việt Nam thế kỷ XX - XXI (1901 - 2100) Trần Tiến Bình Hà Nội Văn hóa Thông tin 2005 Trình bày khái niệm về lịch, cơ sở thiên văn của lịch, các thang thời gian, đơn vị lịch và mốc lịch cơ sở tính toán lịch Việt Nam, hướng dẫn sử dụng bảng lịch thế kỉ 20, 21 Calendar, vietnamese Minh Trung tâm Học liệu Trường Đại học Cần Thơ