by Pijper, G.F $5.00
by Dr. Ahmad Jayadi, M.Pd $7.00
by Hutabarat, Sahala & Evans, Stewart M $6.00
by Khopkar. S.M $7.00
by Drs. B. Suryosubroto $9.00
by DR. Farida Yusuf Tayibnapis, M.Pd $7.00
by $13.00
by F. Suryatmo $6.00
by Thomas R. Baechle $7.00
by Eko Agus Triwiyatno $5.00
by Aziz Alimul $9.00
by Prof. dr. Sjaiful Fahmi Daili, SpKK(K) $11.00