Herriot, James, 1916-1995
Cat stories
PT Gramedia Pustaka Utama, 2019
 Buku Teks
Birkhoff, Garrett
Ordinary differential equations
John Wiley & Sons, 1978
 Buku Teks
Ross, Shepley L.
Introduction to ordinary differenstila equations
"New York: John Wiley & Sons, 1981",
 Buku Teks
Metode penaksiran ordinary kriging
Universitas Indonesia, 2007
 UI - Skripsi (Membership)
Metode penaksiran ordinary cokriging
Universitas Indonesia, 2007
 UI - Skripsi (Membership)