共 62 条
[31]
Lincoln YS, 1986, New Direct Program Eval, V30, P73, DOI [10.1002/ev.1427, DOI 10.1002/EV.1427]
[34]
Miller MN, 2000, SOUTH MED J, V93, P966
[35]
It takes a lot of donuts to get good data
[J].
QUALITATIVE HEALTH RESEARCH,
1998, 8 (02)
:147-148