by Thompson Susa $12.00
by Krauss, Herbert L., dkk $11.00
by WK $13.00
by Prof. Dr. Oemar Hamalik $9.00
by Drs. Basir Barthos $9.00
by Ir. Lisdiana Fachruddin $5.00
by Niniek Suparni, S.H. $12.00