by Suhardi, dkk $11.00
by H. Rahmat Rukmana $5.00
by Dr. Sayidd Al-Jumaili $7.00
by Drs. Syaiful Bahri Djamarah $7.00
by W. James Popham $7.00
by Drs. Soemarso, S.R., dkk $6.00