by Sudarwan Danim $7.00
by M.T. Al-Hadadi, Terj. Drs. H. Zainuddin $7.00
by A.M. Basalamah $9.00
by Freddy Rangkuti $11.00
by Wimpie Pangkahila $9.00
by Johanes Lim, Ph.D., CPC $7.00