1
प्रकाशित: 1991-
2
प्रकाशित: 1977-1990
3
प्रकाशित: 1991-
4
Population reprints / Population Research Laboratory, Department of Sociology, University of Alberta
प्रकाशित: 1972-
5
“...Population Research Laboratory Edmonton, Alberta...”
6
“...Population Research Laboratory Edmonton, Alberta...”