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#1

Demography Through Problems (Problem Books in Mathematics)

Nathan Keyfitz, John A. Beekman

5.35 Mb

#2

Demography through Problems (Problem Books in Mathematics)

Nathan Keyfitz, John A. Beekman

7.51 Mb

#3

Demography Through Problems

Nathan Keyfitz, John A. Beekman

4.93 Mb

#4

Introduction to the Mathematics of Populations, Revised Edition(Behavioral Science)

Nathan Keyfitz

33.82 Mb