Moser, C.A. Kalton. G.
Survey methods in social investigation - 2nd ed. - London Heinmann 1971 - xvii, 549p.
Bibliography pp. 489-525
0435826034
301.085 / M6
Survey methods in social investigation - 2nd ed. - London Heinmann 1971 - xvii, 549p.
Bibliography pp. 489-525
0435826034
301.085 / M6