by DR. Ir. Hj. Tati Nurmala, S.W $6.00
by Sanker, K. Pal & Dwijesh K. Dutta Majumder $7.00
by Drs. Harjanto $9.00
by Prof. Drs. H. Dakir $7.00
by Drs. Sudarsono, S.H., M.Si, dkk $12.00
by $6.00