Dòng Nội dung
1
L observation directe / Anne-Marie Arborio, Pierre Fournier; François de Singly.
Paris : Armand, 2015
125 tr. ; 18 cm.
2
Questionnaire design, interviewing, and attitude measurement / A.N. Oppenheim.
London ; Pinter Publishers ; c1992.
303 p. : ill. ; 23 cm.