Ramulu, U.S. Sree
Oxford & IBH Publishing Co., 1982
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Nathanael Desephviasco Tanlie, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2021
UI - Skripsi (Membership)
Coale, Ansley J., author
Academic Press, 1983
Buku Teks
Coale, Ansley J., author
Princeton Univ. Press , 1966
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Hall, Challis A., author
Holt, Rinehart and Winston, 1960
Buku Teks