by Ir. Sujamto $12.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $9.00
by Drs. H. Abu Ahmadi $11.00
by Hoogendoom, J. $6.00
by Pandji Anoraga, S.E, M.M $6.00
by Amiruddin Syarif, S.H $9.00
by $30.00
by Rosady Ruslan $12.00
by Kartini Kartono $7.00
by WK $18.00
by Stallings $18.00
by Pusham UBAYA $6.00