Fraser, Julie, author
Cambridge University Press, 2020
eBooks
Penguin,, 1972
Buku Teks
Roberts, Fred S., author
Society for Industrial and Applied Mathematics, 1978
eBooks
Routledge , 1999
Buku Teks
editor, Longgina Novadona Bayo, Purwo Santoso, Willy Purna Samadhi.
Yayasan Pustaka Obor Indonesia, 2018
Buku Teks