ISSN 0439-755X
CN 11-1911/B
The Effective Design of Worked-example for Learning Algebra Operation Rules Containing New Operators
ZHANG Hua;QU Kejia;ZHANG Qi
Acta Psychologica Sinica . 2013, (10): 1104 -1110 .  DOI: 10.3724/SP.J.1041.2013.01104