by A. Sonny Keraf & Mikhael Dua $7.00
by H. Musa, MBA $6.00
by Lilyana $9.00
by Drs. Paulus Wahana $6.00
by M.H. Wancik $7.00
by Hadi Soesastro et.al $5.00
by Prof. Dr. H. Zainuddin Ali, M.A $7.00