by Ambarini $9.00
by Hasanuddin $12.00
by Drs. Djalinus Syah, Dra. H.N. Murdiati Sulastomo, dan Dra. H. Azimar Enong $9.00
by - $12.00
by Drs. T. Gilarso, SJ $12.00
by American Asociation of State Highway and Transportation Officials $9.00
by M. Ghufron H. Kordi K $7.00
by $6.00
by Dr. Khalid Abu Syadi $9.00
by Drs. Ign. Masidjo $9.00
by Alfons Taryadi $7.00
by Dede Mulyanto, Deni Mukbar, Maria Endah, Putut Aryo $13.00