00655nam a2200181Ia 4500 CTU_22496 210402s9999 xx 000 0 und d 510.071 K310/T.1 Nguyễn, Bá Kim Phát triển lí luận dạy học môn Toán Nghiên cứu khoa học giáo dục Vũ Dương Thụy, Nguyễn Bá Kim, Phạm Văn Kiều Hà Nội Giáo Dục 1997 mathematics - study and teaching ( secondary ),mathematics teachers - training Trung tâm Học liệu Trường Đại học Cần Thơ