Teaching BPSC बिहार मध्य विद्यालय (6 to 8) शिक्षक भर्ती 4.0 Mock Test General Knowledge Geography (World Geography) World Economic and Human Geography
Who among the following propounded the demographic transition model?
1
J.J. Spengler
2
J. Clarke
3
F.W. Notestein
4
More than one of the above
5
None of the above