by Ir. H. Muhammad Syakir Sula, AAIJ, FIIS $31.00
by Prof. DR. A.P. Parlindungan, SH. $5.00
by Bagus Tkwin, dkk $9.00
by Idries Shah $8.00
by - $16.00
by Bambang Agus Murtidjo $6.00