by Hoogendoom, J. $6.00
by Dr. Sofyan Syafri Harahap, M.S,Ac $11.00
by Kiki Syahnakri $8.26
by Nurcholis Madjij, e.a. $11.00
by Ignatius Haryanto $9.00
by Hans Antlov, Sven Cederroth $8.00
by Erie Sudewo $6.25