by Ira Latief $9.00
by Prof. Dr. H. Abdurrahmat Fathoni, M.Si $11.00
by Radis Bastian $5.28
by Anwar, Moh. Arsjad, dkk $11.00
by Prof. Soetjipto dan Drs. Raflis Kosasi, M.Sc $9.00
by R. Soemantri $6.00