by Prof. Dr. Sondang P. Siagian, M.P.A $7.00
by Frans F. Royan $9.00
by Darmadi Durianto, Sugiarto, dkk $7.00
by Hermawan Kartajaya $16.00
by Adiwarman A. Karim $13.00
by Rendra Widyatama $11.00
by $11.00
by Samir Amin & Burhan Ghaliyun $9.00
by $12.00