by James H. Morrison $6.00
by Pandji Anoraga, S.E, M.M $7.00
by Prof. Dr. Mansoer Paleda $11.00
by Ir. Setijo Pitojo $6.00
by DR. Soekidjo Notoatmodjo $7.00
by Ir. Daisy P. Sriyadi Hendaryono $6.00
by Prof. Abdur Rahman I Do'I, Ph.D $7.00
by Slamet Soeseno $5.00