共 28 条
[2]
Brattstrom V, 1991, Br J Orthod, V18, P37
[3]
Den AM, 1994, KVALITATIV METOD VET, P111
[7]
KILPELAINEN PVJ, 1993, ANGLE ORTHOD, V63, P171
[9]
KVALE S., 1997, Interviews: an introduction to qualitative research interviewing
[10]
Lepp M., 2002, QUALITATIVE METHODS, P105