by Dr. Al. Purwa Hadiwardoyo, MSF $6.00
by Drs. Al. Amin Susanto $4.00
by ISEI $25.00
by Hasan Basri Jumin $7.00
by Bambang Agus Murtidjo $6.00
by Ir. Rabiatual Adawyah, M.P $7.00