by Ir. Endar Sugiarto, B.A $6.00
by Prof. Ir. Zoer'ani Djamal Irwan, M.Sc $9.00
by Hendra Nurtjahjo, S.H., M.Hum $7.00
by - $11.00
by Dr. Rhenald Kasali $28.00
by Septiawan Santana K. $18.00