by Richard Burton Simatupang, S.H $12.00
by $12.00
by Stallings $18.00
by WK $13.00
by Prof. Ali Affandi, S.H $7.00
by Ir. Kaslan A. Tohir $12.00
by Darwan Prinst, S.H. $6.00
by Gunawan Widjaja, A. Yani $9.00
by Drs. Basir Barthos $9.00
by Prof. Ir. Zoer'ani Djamal Irwan, M.Sc $7.00
by Lipschutz $13.00
by Suryatati A Manan, Martha Sinaga $7.00