by Muhammad Teguh $7.00
by Connel, Des. W. $7.00
by Djamin, Zulkarnain $6.00
by Drs. Syaiful Bahri Djamarah $11.00
by Dr. Dimyati dan Drs, Mudjiono $9.00
by Prof. Dr. H. Zainuddin Ali, M.A $7.00