by Chris Lowney $22.00
by Drs. Andi Baso Mappatato, M.A. $6.00
by Permadi Gandapradja $11.00
by Drs. Firman B. Aji dan Drs. Martin Sirait $9.00
by Drs. Muchdarsyah Sinungan $7.00
by Due, John F $11.00