by Edmon Makarim $18.00
by Prof. Dr. J. Winardi, SE $9.00
by Y. Dedy Pradipto $11.00
by Netty Hartati, dkk $7.00
by Isjoni $8.00
by Rachmat H. Cahyono $6.00
by Drs. Hafifi $22.00
by Orin $6.00
by Hindah Muaris $7.00