by Nursalam $7.00
by Ir. Rustam Hakim, M.T., IALI $9.00
by Iin Inayah $11.00
by Dr. Hamzah B. Uno, M.Pd $0.00
by Dra. Nurul Zuriah, M.Si $11.00
by Pelezar. Michael J. & E.C.S. Chan $9.00
by Datje Rahajoekoesoemah $28.00
by Drs. H. Abu Ahmadi $11.00