by Haryoto $5.00
by Srikandi Fardiaz $7.00
by Dr. Alex I. Suwandi, Pr. $4.00
by DR. Ir. Hj. Tati Nurmala, S.W $6.00
by Drs. Al. Soenarto S.W., dkk $6.00
by Suharso, A.S.P $9.00