Judul asli:Elements of Tropical Ecology.
Judul asli : What is the origin of man.
Judul asli:Nutritional Biochemistry and Metabolism.
Judul asli: Discrete mathematics.
Judul asli: General chemistry principles structure.
Judul asli: Organic chemistry.
Judul asli: Teaching elementary school mathematics for understanding.
Judul asli: Organic chemistry.
Judul asli: Element of discrete mathematics.
Judul asli: Fundamentals of ecology.
modul 1-9.
modul 1-9.
Judul asli:Physik.
Judul asli:Fuzzy Mathematical Approach to Pattern Recognition.
Judul asli:Theory and Problems of College Chemistry.
Judul asli:The Origin of Species.
Judul asli:Mathematics for Economists.
Judul asli:Elementary Numerical Analysis an Algoritmic Approach.
Judul asli: a readers guide to the social science.
Judul asli:The Short Textbook of Medical Mocrobiology.