by Drs. Marcel Go, M.S $7.00
by Dr. Ir. H. Suprijanto $9.00
by Drs. Ary H. Gunawan $11.00
by Dra. Roestiyah NK $6.00
by Cepi Triatna, S.Pd $7.00
by Munandar, Ashar Sunyoto $12.00
by Marry Winata $7.00