by Drs. Frans Bona Sihombing (Ed) $11.00
by Redaksi (Penghimpun) $5.00
by Maimun $0.00
by Prof. Dr. I.H. Ph. Diederiks - Verschoor $7.00
by Prof. Mr. Dr. Sudargo Gautama $7.00
by Dyah Windajani Darmono $6.00
by Rozali Abdullah $9.00
by Weaver, Rip $7.00
by Prof. Dr. Sondang P. Siagian, M.P.A $11.00
by Mustofa $5.00
by $6.00
by Latifah Ibrahim Khadar $11.00