Bernlef, J.
Gedichten 1960-1970
Querido, 1977
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Pet, Paul C.
Holland
Elmar, 1994
 Buku Referensi
Freedman, Ronald
Family planning in Taiwan : an experiment in social change
Princeton University Press, 1969
 Buku Teks SO
Knowles, Helen K.
Making money for your church library, hospital, social or welfare organizations
Bond Wheelwright, 1955
 Buku Teks
Hill, Reuben
The family and population control a puerton rican experiment in social change
Univeresity of North Carolina Press, 1965
 Buku Teks SO