ISSN 0439-755X
CN 11-1911/B
THE Q-TYPE CLUSTERING OF THE TYPES AND CHARACTERISTICS OF UNDER ACHIEVEMENT STUDENTS
Wu Zengqiang, Duan Huifen, Shen Zhifei,Xu Mangdi,Xu Zisheng (Shanghai Institute of Educational Research)
Acta Psychologica Sinica . 1994, (01): 92 -100 .