Koppe, Ernist Friedel
Jakarta Katalis 1989,
Buku Teks
Koppe, Erns Friedel
Katalis, 1989
Buku Teks
Gadjah Mada University Graduate Research, 1998
Majalah, Jurnal, Buletin
Lubis, Mochtar, 1922-2004, author
Jakarta Yayasan Obor Indonesia 1997
Buku Teks
Sularso, author
Pradnya Paramita, 1983
Buku Teks