by Ir. M. Lies Suprapti $5.00
by S. Soegijanto $11.00
by WK $13.00
by Thompson Ngoen $12.00
by $11.00
by Khairul Basar $11.00
by Glenn A. Welsch $13.00
by Kasmir, S.E., M.M $7.00
by Dr. Amroeni Drajat $9.00
by Leden Marpaung, S.H. $11.00
by Ir. M. Lies Suprapti $6.00