项目功能差异在老年人精神健康期望城乡差异中的应用
李现文
The application of differential item functioning in analyzing the mental health expectation between the urban and rural elderly
LI Xianwen
中国临床护理 . 2018, (6): 482 -484 .  DOI: 10.3969/j.issn.1674-3768.2018.06.006