by Sei H. Dt. Tombak Alam $6.00
by Fachruddin H.S dan Irfan Fachruddin, S.H $13.00
by Dr. Khalid Abu Syadi $5.00
by Thomas Subandriyo $4.00
by Salim bin led $5.00
by Ir. M. Najib, M.Sc., et al $7.00