by Drs. Amin Widjaja Tunggal, Ak., M.B.A $11.00
by Adler Haymans Manurung $6.00
by Drs. H. Lili M. Sadeli, M.Pd & Drs. Maman Ukas $6.00
by Al Ries, Laura Ries $7.00
by Harry Simons $12.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $6.00
by Kian Wie, Thee $6.00
by WK $12.00