by Swasono, Sri-Edi $11.00
by Richard Denny $7.00
by Martin, A., James Swarbrick & Arthur Cammarata $12.00
by Hanafiah, A.M & A.M. Saefuddin $6.00
by Peter H. Lindert $26.00
by Dr. Purnawan Junadi, Ph.D $7.00