TY  - JOUR
A1  - Manfreda, K.L.
A1  - Batagelj, Z.
A1  - Vehovar, V.
T1  - Design of web survey questionnaires: Three basic experiments
Y1  - 2006
DO  - 10.1111/j.1083-6101.2002.tb00149.x
VL  - 7
IS  - 3

ER  -