翁儷禎Newcomb, M. D.M. D.NewcombWeng, Li-JenLi-JenWeng2009-01-202018-06-282009-01-202018-06-281989http://ntur.lib.ntu.edu.tw//handle/246246/103832en-USPredicting Changes in Teenage Drug Use:The Role of Intention-Behavior Discrepancy