by Supranto, J. $7.00
by $6.00
by Dr. Mien A. Rifai., dkk $11.00
by Dra. Roestiyah NK $7.00
by Budi Rachmat, SE, MM $9.00
by Drs. Bayu Surianingrat $18.00
by M.Z. Lawang, Robert $7.00
by Darul Qutni, CH $9.00