吳武典WU-TIEN WU2014-10-272014-10-271974-06-??http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/11563固執傾向智能不足兒童學習固執傾向在智能不足兒童辨別學習中的角色THE DISCRIMINATION LEARNING IN MENTALLY RETARDED CHILDREN AS A FUNCTION OF RIGIDITY TENDENCY