by Santosa $12.00
by Dr. Retno I.T & Dra. Fatma L $12.00
by SAINI K.M. $6.00
by Prof. Dr. Kees Bertens, MSC $7.00
by Liestyo Soewito $6.00
by Hasan Asy'ari Oramahi $7.00
by Djamaluddin Darwis $7.00
by Suryohadiprojo, Sayidiman $6.00
by Thabrani $12.00