by Prof. I. R. Poedjawiyatna $7.00
by Drs. Djoko Tri Prasetya, dkk $7.00
by Bahtiar Effendy Dkk $11.53
by Drs. H. Abu Ahmadi $7.00
by Radiks Purba $7.00
by Drs. M. Dalyono $9.00
by Drs. Djalinus Syah., dkk $13.00
by Eng Antonio Augusta Borelli Machado $3.00
by Prof. Adolf Lippi, CP $4.00
by Novia Syahidah $6.00