by Ny. Susmayati, B.A $7.00
by Dr. Ibrahim Bafadal, M.Pd $7.00
by - $16.00
by Drs. O.P. Simorangkir., dkk $11.00
by Drs. J. Riwu Kaho $9.00
by Eddy Tano, Dipl. Chem. Eng. $7.00
by DR. Iskandar Wiryokusumo $7.00
by Bustraan $5.00
by Nursalam $7.00
by Yusuf al-Uqshari $7.00
by Daryatun $6.00
by Dewi Fortuna Anwar, Helena Bouvier, Glenn Smith $36.00