by Prof. dr. Sarwono Waspadji, Prof. dr. Slamet Suyono $5.00
by Tierney $18.00
by Drs. Sudarsono, S.H., M.Si $9.00
by Drs. Hendiyat Soetopo $11.00
by Nursalam $12.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $12.00