by Drs. Inu Kencana Syafiie $12.00
by Prof. Subowo, dr. M.Sc., Ph.D $7.00
by Drs. Inu Kencana Syafiie, Djamaludin Tandjung, dan Supardan Modeong $11.00
by Istimawan Dipohusodo $18.00
by A. Gomes, Kwanchai dan Arturo A. Gomes $12.00
by William J. Goode $9.00