by Y.W. Sunindhia, S.H $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by Drs. Syaiful Bahri Djamarah $11.00
by - $12.00
by Drs. K.H. Abdul Rahman $9.00
by Ernest Dichter $9.00