Frauenfelder, P. (Paul)
Introduction to physics; Vol. 1
Pergamon Press, 1966
 Buku Teks
Ensiklopedia flora
Yuzammi [and others]
Kharisma Ilmu, 2010
 Buku Referensi
Backer, C. A.
Flora of Java
Wolter Noordhoff, 1968
 Buku Referensi
Date, C.J.
An introduction to database systems; Vol. 1
Addison-Wesley, 1990
 Buku Teks
Introduction to natural sciences part 1 : the physical sciences
by V. Lawrence Parsegian ... [et.al.]
Academic Press, 1968
 Buku Teks