by - $7.00
by Dr. H. Abuddin Nata, MA $7.00
by Drs. Amin Widjaja Tunggal, Ak., M.B.A $7.00
by G. Kartasapoetra, dkk $9.00
by Sayyid M. Al-Qimni $7.00
by Julius Pour $12.97