by Doddy Pamudji $6.00
by Kasmir, S.E., M.M $13.00
by Wahyuni Mulyawati & Ilse Harahap $6.00
by $13.00
by Drs. Sarwono Pusposaputro $11.00
by MAHNAZ HEYDARPOOR $6.00
by Redaksi (Penghimpun) $6.00