by Prof. Dr. dr. I.G.N. Wila Wirya, Prof. dr. Husein Alatas $5.00
by Drs. Ajat Sudrajat $7.00
by Mark Smith $7.00
by Herbert G. Hick dan G. Ray Gullet $20.00
by Prof. Drs. H. Lili M. Sadeli, M.Pd $9.00
by Katzung $26.00
by - $9.00