by Prof. Dr. Mahmud Syaltut $11.00
by Drs. Mulyono HAM, M.Pd $13.00
by Dr. John Wong $9.00
by Drs. I Nyoman Beratha $7.00
by Suhardjo $7.00
by Drs. B. Suryosubroto $9.00
by Drs. Basir Barthos $9.00
by dr. Santoso Gunardi, MS, PAK $6.00