1. The problem of population Author(s): Cox, Harold, 1859-1936, author Publication: New York : G.P. Putnam's Sons, 1923 Subject(s): PopulationDemography
2. Garmalee guddachuun lakkoobsa uummataa qullaatti hafuu naannawaaf sababii isa guddaadha! Publication: [Ethiopia : National Population Office, 19--?] Subject(s): Population
