by Drs. Save M. Dagun $7.00
by Prof. Dr. Oemar Hamalik $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Arief Sardiman, dkk $11.00
by Drs. G. Kartasapoetra $9.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Denny J. A $9.00
by Dra. Moeslichatoen R., M.Pd $7.00
by Aziz Alimul $7.00
by Majdi Asy-Syahari $7.00
by BBC $7.00
by Sisca Susanto $7.00