by Masnur Muslich $7.00
by Drs. Kaelany H.D., M.A $9.00
by Y. Bambang Mulyono $5.00
by Prof. Dr. Dendasurono P $7.00
by Drs. Firman B. Aji dan Drs. Martin Sirait $9.00
by Edgar Morin $6.00