ISSN 0439-755X
CN 11-1911/B
AN EXPERIMENTAL STUDY ON THE PROCESSES OF LEARNING RATIONAL NUMBER IN ALGEBRA BY 5-6th GRADE PUPILS
MAO YU-YIEN, YING YU-YEH, MA CHICH-WEI
Acta Psychologica Sinica . 1961, (04): 13 -28 .