Suwaji Bastomi, author
IKIP Semarang, 1992
Buku Teks
Vorega Badalamenti, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2011
UI - Skripsi (Open)
Gramedia Pustaka Utama, 1990
Buku Teks
Benedict, Ruth, author
A Mentor Book, 1958
Buku Teks
Benedict, Ruth, author
Penguin Books , 1947
Buku Teks